Home / 80,294.08-120,397.68-63,760.48

Finding the Fourth Proportional to 80,294.08, 120,397.68 and 63,760.48

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Solution

The fourth proportional to 80,294.08, 120,397.68 and 63,760.48 is: 95,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,294.08 : 120,397.68 = 63,760.48 : x
  2. Step 2: Convert to fraction form
    80,294.08/120,397.68 = 63,760.48/x
  3. Step 3: Cross multiply
    80,294.08x = 120,397.68 × 63,760.48
  4. Step 4: Simplify right side
    80,294.08x = 7,676,613,867.69
  5. Step 5: Solve for x
    x = 7,676,613,867.69/80,294.08
  6. Step 6: Final answer
    x = 95,606.22

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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.