Home / 87,887.18-131,654.44-40,436.16

Finding the Fourth Proportional to 87,887.18, 131,654.44 and 40,436.16

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Solution

The fourth proportional to 87,887.18, 131,654.44 and 40,436.16 is: 60,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,887.18 : 131,654.44 = 40,436.16 : x
  2. Step 2: Convert to fraction form
    87,887.18/131,654.44 = 40,436.16/x
  3. Step 3: Cross multiply
    87,887.18x = 131,654.44 × 40,436.16
  4. Step 4: Simplify right side
    87,887.18x = 5,323,600,184.22
  5. Step 5: Solve for x
    x = 5,323,600,184.22/87,887.18
  6. Step 6: Final answer
    x = 60,573.12

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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.