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Finding the Fourth Proportional to 73,286.48, 101,134.44 and 39,752.24

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Solution

The fourth proportional to 73,286.48, 101,134.44 and 39,752.24 is: 54,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,286.48 : 101,134.44 = 39,752.24 : x
  2. Step 2: Convert to fraction form
    73,286.48/101,134.44 = 39,752.24/x
  3. Step 3: Cross multiply
    73,286.48x = 101,134.44 × 39,752.24
  4. Step 4: Simplify right side
    73,286.48x = 4,020,320,531.15
  5. Step 5: Solve for x
    x = 4,020,320,531.15/73,286.48
  6. Step 6: Final answer
    x = 54,857.60

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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.