Home / 87,514.42-120,933.40-71,593.06

Finding the Fourth Proportional to 87,514.42, 120,933.40 and 71,593.06

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Solution

The fourth proportional to 87,514.42, 120,933.40 and 71,593.06 is: 98,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,514.42 : 120,933.40 = 71,593.06 : x
  2. Step 2: Convert to fraction form
    87,514.42/120,933.40 = 71,593.06/x
  3. Step 3: Cross multiply
    87,514.42x = 120,933.40 × 71,593.06
  4. Step 4: Simplify right side
    87,514.42x = 8,657,992,162.20
  5. Step 5: Solve for x
    x = 8,657,992,162.20/87,514.42
  6. Step 6: Final answer
    x = 98,932.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.