Home / 89,044.38-133,631.91-71,723.34

Finding the Fourth Proportional to 89,044.38, 133,631.91 and 71,723.34

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Solution

The fourth proportional to 89,044.38, 133,631.91 and 71,723.34 is: 107,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,044.38 : 133,631.91 = 71,723.34 : x
  2. Step 2: Convert to fraction form
    89,044.38/133,631.91 = 71,723.34/x
  3. Step 3: Cross multiply
    89,044.38x = 133,631.91 × 71,723.34
  4. Step 4: Simplify right side
    89,044.38x = 9,584,526,915.78
  5. Step 5: Solve for x
    x = 9,584,526,915.78/89,044.38
  6. Step 6: Final answer
    x = 107,637.64

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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.