Home / 98,869.49-148,402.66-54,517.13

Finding the Fourth Proportional to 98,869.49, 148,402.66 and 54,517.13

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Solution

The fourth proportional to 98,869.49, 148,402.66 and 54,517.13 is: 81,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.49 : 148,402.66 = 54,517.13 : x
  2. Step 2: Convert to fraction form
    98,869.49/148,402.66 = 54,517.13/x
  3. Step 3: Cross multiply
    98,869.49x = 148,402.66 × 54,517.13
  4. Step 4: Simplify right side
    98,869.49x = 8,090,487,107.57
  5. Step 5: Solve for x
    x = 8,090,487,107.57/98,869.49
  6. Step 6: Final answer
    x = 81,829.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.