Home / 72,520.92-108,812.57-39,264.75

Finding the Fourth Proportional to 72,520.92, 108,812.57 and 39,264.75

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Solution

The fourth proportional to 72,520.92, 108,812.57 and 39,264.75 is: 58,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,520.92 : 108,812.57 = 39,264.75 : x
  2. Step 2: Convert to fraction form
    72,520.92/108,812.57 = 39,264.75/x
  3. Step 3: Cross multiply
    72,520.92x = 108,812.57 × 39,264.75
  4. Step 4: Simplify right side
    72,520.92x = 4,272,498,161.58
  5. Step 5: Solve for x
    x = 4,272,498,161.58/72,520.92
  6. Step 6: Final answer
    x = 58,914.01

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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.