Home / 72,737.19-108,985.10-25,327.22

Finding the Fourth Proportional to 72,737.19, 108,985.10 and 25,327.22

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Solution

The fourth proportional to 72,737.19, 108,985.10 and 25,327.22 is: 37,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,737.19 : 108,985.10 = 25,327.22 : x
  2. Step 2: Convert to fraction form
    72,737.19/108,985.10 = 25,327.22/x
  3. Step 3: Cross multiply
    72,737.19x = 108,985.10 × 25,327.22
  4. Step 4: Simplify right side
    72,737.19x = 2,760,288,932.86
  5. Step 5: Solve for x
    x = 2,760,288,932.86/72,737.19
  6. Step 6: Final answer
    x = 37,948.80

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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.