Home / 82,210.33-113,515.19-53,543.62

Finding the Fourth Proportional to 82,210.33, 113,515.19 and 53,543.62

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Solution

The fourth proportional to 82,210.33, 113,515.19 and 53,543.62 is: 73,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210.33 : 113,515.19 = 53,543.62 : x
  2. Step 2: Convert to fraction form
    82,210.33/113,515.19 = 53,543.62/x
  3. Step 3: Cross multiply
    82,210.33x = 113,515.19 × 53,543.62
  4. Step 4: Simplify right side
    82,210.33x = 6,078,014,197.59
  5. Step 5: Solve for x
    x = 6,078,014,197.59/82,210.33
  6. Step 6: Final answer
    x = 73,932.49

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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.