Home / 108,002.39-149,043.73-60,257.75

Finding the Fourth Proportional to 108,002.39, 149,043.73 and 60,257.75

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Solution

The fourth proportional to 108,002.39, 149,043.73 and 60,257.75 is: 83,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.39 : 149,043.73 = 60,257.75 : x
  2. Step 2: Convert to fraction form
    108,002.39/149,043.73 = 60,257.75/x
  3. Step 3: Cross multiply
    108,002.39x = 149,043.73 × 60,257.75
  4. Step 4: Simplify right side
    108,002.39x = 8,981,039,821.41
  5. Step 5: Solve for x
    x = 8,981,039,821.41/108,002.39
  6. Step 6: Final answer
    x = 83,155.94

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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.