Home / 75,747.38-113,621.06-29,000.25

Finding the Fourth Proportional to 75,747.38, 113,621.06 and 29,000.25

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Solution

The fourth proportional to 75,747.38, 113,621.06 and 29,000.25 is: 43,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,747.38 : 113,621.06 = 29,000.25 : x
  2. Step 2: Convert to fraction form
    75,747.38/113,621.06 = 29,000.25/x
  3. Step 3: Cross multiply
    75,747.38x = 113,621.06 × 29,000.25
  4. Step 4: Simplify right side
    75,747.38x = 3,295,039,217.77
  5. Step 5: Solve for x
    x = 3,295,039,217.77/75,747.38
  6. Step 6: Final answer
    x = 43,500.38

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.