Home / 86,537.43-129,759.71-44,400.29

Finding the Fourth Proportional to 86,537.43, 129,759.71 and 44,400.29

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Solution

The fourth proportional to 86,537.43, 129,759.71 and 44,400.29 is: 66,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,537.43 : 129,759.71 = 44,400.29 : x
  2. Step 2: Convert to fraction form
    86,537.43/129,759.71 = 44,400.29/x
  3. Step 3: Cross multiply
    86,537.43x = 129,759.71 × 44,400.29
  4. Step 4: Simplify right side
    86,537.43x = 5,761,367,883.52
  5. Step 5: Solve for x
    x = 5,761,367,883.52/86,537.43
  6. Step 6: Final answer
    x = 66,576.60

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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.