Home / 72,472.20-108,708.30-62,104.20

Finding the Fourth Proportional to 72,472.20, 108,708.30 and 62,104.20

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Solution

The fourth proportional to 72,472.20, 108,708.30 and 62,104.20 is: 93,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,472.20 : 108,708.30 = 62,104.20 : x
  2. Step 2: Convert to fraction form
    72,472.20/108,708.30 = 62,104.20/x
  3. Step 3: Cross multiply
    72,472.20x = 108,708.30 × 62,104.20
  4. Step 4: Simplify right side
    72,472.20x = 6,751,242,004.86
  5. Step 5: Solve for x
    x = 6,751,242,004.86/72,472.20
  6. Step 6: Final answer
    x = 93,156.30

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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.