Home / 108,680.58-149,979.20-60,933.92

Finding the Fourth Proportional to 108,680.58, 149,979.20 and 60,933.92

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Solution

The fourth proportional to 108,680.58, 149,979.20 and 60,933.92 is: 84,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,680.58 : 149,979.20 = 60,933.92 : x
  2. Step 2: Convert to fraction form
    108,680.58/149,979.20 = 60,933.92/x
  3. Step 3: Cross multiply
    108,680.58x = 149,979.20 × 60,933.92
  4. Step 4: Simplify right side
    108,680.58x = 9,138,819,519.90
  5. Step 5: Solve for x
    x = 9,138,819,519.90/108,680.58
  6. Step 6: Final answer
    x = 84,088.80

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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.