Home / 89,839.62-134,861.48-45,516.42

Finding the Fourth Proportional to 89,839.62, 134,861.48 and 45,516.42

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Solution

The fourth proportional to 89,839.62, 134,861.48 and 45,516.42 is: 68,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,839.62 : 134,861.48 = 45,516.42 : x
  2. Step 2: Convert to fraction form
    89,839.62/134,861.48 = 45,516.42/x
  3. Step 3: Cross multiply
    89,839.62x = 134,861.48 × 45,516.42
  4. Step 4: Simplify right side
    89,839.62x = 6,138,411,765.50
  5. Step 5: Solve for x
    x = 6,138,411,765.50/89,839.62
  6. Step 6: Final answer
    x = 68,326.33

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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.