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Finding the Fourth Proportional to 73,024.70, 100,774.02 and 39,490.70

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Solution

The fourth proportional to 73,024.70, 100,774.02 and 39,490.70 is: 54,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,024.70 : 100,774.02 = 39,490.70 : x
  2. Step 2: Convert to fraction form
    73,024.70/100,774.02 = 39,490.70/x
  3. Step 3: Cross multiply
    73,024.70x = 100,774.02 × 39,490.70
  4. Step 4: Simplify right side
    73,024.70x = 3,979,636,591.61
  5. Step 5: Solve for x
    x = 3,979,636,591.61/73,024.70
  6. Step 6: Final answer
    x = 54,497.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.