Home / 73,006.08-100,748.32-39,472

Finding the Fourth Proportional to 73,006.08, 100,748.32 and 39,472

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Solution

The fourth proportional to 73,006.08, 100,748.32 and 39,472 is: 54,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.08 : 100,748.32 = 39,472 : x
  2. Step 2: Convert to fraction form
    73,006.08/100,748.32 = 39,472/x
  3. Step 3: Cross multiply
    73,006.08x = 100,748.32 × 39,472
  4. Step 4: Simplify right side
    73,006.08x = 3,976,737,687.04
  5. Step 5: Solve for x
    x = 3,976,737,687.04/73,006.08
  6. Step 6: Final answer
    x = 54,471.32

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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.