Home / 72,721.24-100,331.17-59,269.36

Finding the Fourth Proportional to 72,721.24, 100,331.17 and 59,269.36

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Solution

The fourth proportional to 72,721.24, 100,331.17 and 59,269.36 is: 81,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,721.24 : 100,331.17 = 59,269.36 : x
  2. Step 2: Convert to fraction form
    72,721.24/100,331.17 = 59,269.36/x
  3. Step 3: Cross multiply
    72,721.24x = 100,331.17 × 59,269.36
  4. Step 4: Simplify right side
    72,721.24x = 5,946,564,233.95
  5. Step 5: Solve for x
    x = 5,946,564,233.95/72,721.24
  6. Step 6: Final answer
    x = 81,772.04

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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.