Home / 62,115.20-85,555.68-47,747.52

Finding the Fourth Proportional to 62,115.20, 85,555.68 and 47,747.52

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Solution

The fourth proportional to 62,115.20, 85,555.68 and 47,747.52 is: 65,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,115.20 : 85,555.68 = 47,747.52 : x
  2. Step 2: Convert to fraction form
    62,115.20/85,555.68 = 47,747.52/x
  3. Step 3: Cross multiply
    62,115.20x = 85,555.68 × 47,747.52
  4. Step 4: Simplify right side
    62,115.20x = 4,085,071,541.91
  5. Step 5: Solve for x
    x = 4,085,071,541.91/62,115.20
  6. Step 6: Final answer
    x = 65,766.05

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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.