Home / 113,086.12-156,052.75-62,781.88

Finding the Fourth Proportional to 113,086.12, 156,052.75 and 62,781.88

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Solution

The fourth proportional to 113,086.12, 156,052.75 and 62,781.88 is: 86,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086.12 : 156,052.75 = 62,781.88 : x
  2. Step 2: Convert to fraction form
    113,086.12/156,052.75 = 62,781.88/x
  3. Step 3: Cross multiply
    113,086.12x = 156,052.75 × 62,781.88
  4. Step 4: Simplify right side
    113,086.12x = 9,797,285,024.17
  5. Step 5: Solve for x
    x = 9,797,285,024.17/113,086.12
  6. Step 6: Final answer
    x = 86,635.61

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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.