Home / 82,043.50-113,220.09-44,317.75

Finding the Fourth Proportional to 82,043.50, 113,220.09 and 44,317.75

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Solution

The fourth proportional to 82,043.50, 113,220.09 and 44,317.75 is: 61,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,043.50 : 113,220.09 = 44,317.75 : x
  2. Step 2: Convert to fraction form
    82,043.50/113,220.09 = 44,317.75/x
  3. Step 3: Cross multiply
    82,043.50x = 113,220.09 × 44,317.75
  4. Step 4: Simplify right side
    82,043.50x = 5,017,659,643.60
  5. Step 5: Solve for x
    x = 5,017,659,643.60/82,043.50
  6. Step 6: Final answer
    x = 61,158.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.