Home / 87,837.60-131,842.80-43,514.40

Finding the Fourth Proportional to 87,837.60, 131,842.80 and 43,514.40

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Solution

The fourth proportional to 87,837.60, 131,842.80 and 43,514.40 is: 65,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,837.60 : 131,842.80 = 43,514.40 : x
  2. Step 2: Convert to fraction form
    87,837.60/131,842.80 = 43,514.40/x
  3. Step 3: Cross multiply
    87,837.60x = 131,842.80 × 43,514.40
  4. Step 4: Simplify right side
    87,837.60x = 5,737,060,336.32
  5. Step 5: Solve for x
    x = 5,737,060,336.32/87,837.60
  6. Step 6: Final answer
    x = 65,314.40

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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.