Home / 89,677.62-134,424.17-39,781.22

Finding the Fourth Proportional to 89,677.62, 134,424.17 and 39,781.22

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Solution

The fourth proportional to 89,677.62, 134,424.17 and 39,781.22 is: 59,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677.62 : 134,424.17 = 39,781.22 : x
  2. Step 2: Convert to fraction form
    89,677.62/134,424.17 = 39,781.22/x
  3. Step 3: Cross multiply
    89,677.62x = 134,424.17 × 39,781.22
  4. Step 4: Simplify right side
    89,677.62x = 5,347,556,609.06
  5. Step 5: Solve for x
    x = 5,347,556,609.06/89,677.62
  6. Step 6: Final answer
    x = 59,630.89

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1.5x scale

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.