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Finding the Fourth Proportional to 89,660.92, 123,732.42 and 53,851.54

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Solution

The fourth proportional to 89,660.92, 123,732.42 and 53,851.54 is: 74,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,660.92 : 123,732.42 = 53,851.54 : x
  2. Step 2: Convert to fraction form
    89,660.92/123,732.42 = 53,851.54/x
  3. Step 3: Cross multiply
    89,660.92x = 123,732.42 × 53,851.54
  4. Step 4: Simplify right side
    89,660.92x = 6,663,181,364.93
  5. Step 5: Solve for x
    x = 6,663,181,364.93/89,660.92
  6. Step 6: Final answer
    x = 74,315.34

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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.