Home / 108,182.38-149,281.62-62,859.88

Finding the Fourth Proportional to 108,182.38, 149,281.62 and 62,859.88

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Solution

The fourth proportional to 108,182.38, 149,281.62 and 62,859.88 is: 86,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,182.38 : 149,281.62 = 62,859.88 : x
  2. Step 2: Convert to fraction form
    108,182.38/149,281.62 = 62,859.88/x
  3. Step 3: Cross multiply
    108,182.38x = 149,281.62 × 62,859.88
  4. Step 4: Simplify right side
    108,182.38x = 9,383,824,719.41
  5. Step 5: Solve for x
    x = 9,383,824,719.41/108,182.38
  6. Step 6: Final answer
    x = 86,740.79

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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.