Home / 87,465.12-131,294.96-45,333.92

Finding the Fourth Proportional to 87,465.12, 131,294.96 and 45,333.92

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Solution

The fourth proportional to 87,465.12, 131,294.96 and 45,333.92 is: 68,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,465.12 : 131,294.96 = 45,333.92 : x
  2. Step 2: Convert to fraction form
    87,465.12/131,294.96 = 45,333.92/x
  3. Step 3: Cross multiply
    87,465.12x = 131,294.96 × 45,333.92
  4. Step 4: Simplify right side
    87,465.12x = 5,952,115,213.04
  5. Step 5: Solve for x
    x = 5,952,115,213.04/87,465.12
  6. Step 6: Final answer
    x = 68,051.30

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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.