Home / 74,557.52-102,892.23-42,732.58

Finding the Fourth Proportional to 74,557.52, 102,892.23 and 42,732.58

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Solution

The fourth proportional to 74,557.52, 102,892.23 and 42,732.58 is: 58,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.52 : 102,892.23 = 42,732.58 : x
  2. Step 2: Convert to fraction form
    74,557.52/102,892.23 = 42,732.58/x
  3. Step 3: Cross multiply
    74,557.52x = 102,892.23 × 42,732.58
  4. Step 4: Simplify right side
    74,557.52x = 4,396,849,721.73
  5. Step 5: Solve for x
    x = 4,396,849,721.73/74,557.52
  6. Step 6: Final answer
    x = 58,972.59

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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.