Home / 113,410.40-156,505.11-62,422.04

Finding the Fourth Proportional to 113,410.40, 156,505.11 and 62,422.04

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Solution

The fourth proportional to 113,410.40, 156,505.11 and 62,422.04 is: 86,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,410.40 : 156,505.11 = 62,422.04 : x
  2. Step 2: Convert to fraction form
    113,410.40/156,505.11 = 62,422.04/x
  3. Step 3: Cross multiply
    113,410.40x = 156,505.11 × 62,422.04
  4. Step 4: Simplify right side
    113,410.40x = 9,769,367,610.15
  5. Step 5: Solve for x
    x = 9,769,367,610.15/113,410.40
  6. Step 6: Final answer
    x = 86,141.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.