Home / 81,207.42-121,832.10-25,046.26

Finding the Fourth Proportional to 81,207.42, 121,832.10 and 25,046.26

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Solution

The fourth proportional to 81,207.42, 121,832.10 and 25,046.26 is: 37,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,207.42 : 121,832.10 = 25,046.26 : x
  2. Step 2: Convert to fraction form
    81,207.42/121,832.10 = 25,046.26/x
  3. Step 3: Cross multiply
    81,207.42x = 121,832.10 × 25,046.26
  4. Step 4: Simplify right side
    81,207.42x = 3,051,438,452.95
  5. Step 5: Solve for x
    x = 3,051,438,452.95/81,207.42
  6. Step 6: Final answer
    x = 37,575.86

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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.