Home / 86,481.10-129,725.53-26,505.18

Finding the Fourth Proportional to 86,481.10, 129,725.53 and 26,505.18

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Solution

The fourth proportional to 86,481.10, 129,725.53 and 26,505.18 is: 39,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.10 : 129,725.53 = 26,505.18 : x
  2. Step 2: Convert to fraction form
    86,481.10/129,725.53 = 26,505.18/x
  3. Step 3: Cross multiply
    86,481.10x = 129,725.53 × 26,505.18
  4. Step 4: Simplify right side
    86,481.10x = 3,438,398,523.25
  5. Step 5: Solve for x
    x = 3,438,398,523.25/86,481.10
  6. Step 6: Final answer
    x = 39,758.96

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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.