Home / 83,538.10-125,321.19-41,420.26

Finding the Fourth Proportional to 83,538.10, 125,321.19 and 41,420.26

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Solution

The fourth proportional to 83,538.10, 125,321.19 and 41,420.26 is: 62,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,538.10 : 125,321.19 = 41,420.26 : x
  2. Step 2: Convert to fraction form
    83,538.10/125,321.19 = 41,420.26/x
  3. Step 3: Cross multiply
    83,538.10x = 125,321.19 × 41,420.26
  4. Step 4: Simplify right side
    83,538.10x = 5,190,836,273.31
  5. Step 5: Solve for x
    x = 5,190,836,273.31/83,538.10
  6. Step 6: Final answer
    x = 62,137.35

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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.