Home / 108,151.73-149,258.10-59,757.89

Finding the Fourth Proportional to 108,151.73, 149,258.10 and 59,757.89

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Solution

The fourth proportional to 108,151.73, 149,258.10 and 59,757.89 is: 82,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,151.73 : 149,258.10 = 59,757.89 : x
  2. Step 2: Convert to fraction form
    108,151.73/149,258.10 = 59,757.89/x
  3. Step 3: Cross multiply
    108,151.73x = 149,258.10 × 59,757.89
  4. Step 4: Simplify right side
    108,151.73x = 8,919,348,599.21
  5. Step 5: Solve for x
    x = 8,919,348,599.21/108,151.73
  6. Step 6: Final answer
    x = 82,470.70

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1.5x scale

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.