Home / 87,822.40-131,733.60-40,437.40

Finding the Fourth Proportional to 87,822.40, 131,733.60 and 40,437.40

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Solution

The fourth proportional to 87,822.40, 131,733.60 and 40,437.40 is: 60,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.40 : 131,733.60 = 40,437.40 : x
  2. Step 2: Convert to fraction form
    87,822.40/131,733.60 = 40,437.40/x
  3. Step 3: Cross multiply
    87,822.40x = 131,733.60 × 40,437.40
  4. Step 4: Simplify right side
    87,822.40x = 5,326,964,276.64
  5. Step 5: Solve for x
    x = 5,326,964,276.64/87,822.40
  6. Step 6: Final answer
    x = 60,656.10

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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.