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Finding the Fourth Proportional to 73,306.52, 101,163.30 and 39,772.52

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Solution

The fourth proportional to 73,306.52, 101,163.30 and 39,772.52 is: 54,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,306.52 : 101,163.30 = 39,772.52 : x
  2. Step 2: Convert to fraction form
    73,306.52/101,163.30 = 39,772.52/x
  3. Step 3: Cross multiply
    73,306.52x = 101,163.30 × 39,772.52
  4. Step 4: Simplify right side
    73,306.52x = 4,023,519,372.52
  5. Step 5: Solve for x
    x = 4,023,519,372.52/73,306.52
  6. Step 6: Final answer
    x = 54,886.24

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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.