Home / 83,517.52-115,254.12-45,792.40

Finding the Fourth Proportional to 83,517.52, 115,254.12 and 45,792.40

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Solution

The fourth proportional to 83,517.52, 115,254.12 and 45,792.40 is: 63,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,517.52 : 115,254.12 = 45,792.40 : x
  2. Step 2: Convert to fraction form
    83,517.52/115,254.12 = 45,792.40/x
  3. Step 3: Cross multiply
    83,517.52x = 115,254.12 × 45,792.40
  4. Step 4: Simplify right side
    83,517.52x = 5,277,762,764.69
  5. Step 5: Solve for x
    x = 5,277,762,764.69/83,517.52
  6. Step 6: Final answer
    x = 63,193.48

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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.