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Finding the Fourth Proportional to 79,591.31, 119,345.87 and 23,424.12

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Solution

The fourth proportional to 79,591.31, 119,345.87 and 23,424.12 is: 35,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,591.31 : 119,345.87 = 23,424.12 : x
  2. Step 2: Convert to fraction form
    79,591.31/119,345.87 = 23,424.12/x
  3. Step 3: Cross multiply
    79,591.31x = 119,345.87 × 23,424.12
  4. Step 4: Simplify right side
    79,591.31x = 2,795,571,266.53
  5. Step 5: Solve for x
    x = 2,795,571,266.53/79,591.31
  6. Step 6: Final answer
    x = 35,124.08

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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.