Home / 87,691.68-131,654.07-46,167.84

Finding the Fourth Proportional to 87,691.68, 131,654.07 and 46,167.84

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Solution

The fourth proportional to 87,691.68, 131,654.07 and 46,167.84 is: 69,313.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,691.68 : 131,654.07 = 46,167.84 : x
  2. Step 2: Convert to fraction form
    87,691.68/131,654.07 = 46,167.84/x
  3. Step 3: Cross multiply
    87,691.68x = 131,654.07 × 46,167.84
  4. Step 4: Simplify right side
    87,691.68x = 6,078,184,039.11
  5. Step 5: Solve for x
    x = 6,078,184,039.11/87,691.68
  6. Step 6: Final answer
    x = 69,313.12

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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.