Home / 108,281.41-149,425.86-60,539.20

Finding the Fourth Proportional to 108,281.41, 149,425.86 and 60,539.20

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Solution

The fourth proportional to 108,281.41, 149,425.86 and 60,539.20 is: 83,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,281.41 : 149,425.86 = 60,539.20 : x
  2. Step 2: Convert to fraction form
    108,281.41/149,425.86 = 60,539.20/x
  3. Step 3: Cross multiply
    108,281.41x = 149,425.86 × 60,539.20
  4. Step 4: Simplify right side
    108,281.41x = 9,046,121,877.17
  5. Step 5: Solve for x
    x = 9,046,121,877.17/108,281.41
  6. Step 6: Final answer
    x = 83,542.71

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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.