Home / 86,404.28-129,610.46-27,244.51

Finding the Fourth Proportional to 86,404.28, 129,610.46 and 27,244.51

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Solution

The fourth proportional to 86,404.28, 129,610.46 and 27,244.51 is: 40,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,404.28 : 129,610.46 = 27,244.51 : x
  2. Step 2: Convert to fraction form
    86,404.28/129,610.46 = 27,244.51/x
  3. Step 3: Cross multiply
    86,404.28x = 129,610.46 × 27,244.51
  4. Step 4: Simplify right side
    86,404.28x = 3,531,173,217.66
  5. Step 5: Solve for x
    x = 3,531,173,217.66/86,404.28
  6. Step 6: Final answer
    x = 40,868.04

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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.