Home / 87,688.96-131,546.13-27,697.12

Finding the Fourth Proportional to 87,688.96, 131,546.13 and 27,697.12

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Solution

The fourth proportional to 87,688.96, 131,546.13 and 27,697.12 is: 41,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,688.96 : 131,546.13 = 27,697.12 : x
  2. Step 2: Convert to fraction form
    87,688.96/131,546.13 = 27,697.12/x
  3. Step 3: Cross multiply
    87,688.96x = 131,546.13 × 27,697.12
  4. Step 4: Simplify right side
    87,688.96x = 3,643,448,948.15
  5. Step 5: Solve for x
    x = 3,643,448,948.15/87,688.96
  6. Step 6: Final answer
    x = 41,549.69

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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.