Home / 83,549.93-125,366.28-39,180.11

Finding the Fourth Proportional to 83,549.93, 125,366.28 and 39,180.11

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Solution

The fourth proportional to 83,549.93, 125,366.28 and 39,180.11 is: 58,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,549.93 : 125,366.28 = 39,180.11 : x
  2. Step 2: Convert to fraction form
    83,549.93/125,366.28 = 39,180.11/x
  3. Step 3: Cross multiply
    83,549.93x = 125,366.28 × 39,180.11
  4. Step 4: Simplify right side
    83,549.93x = 4,911,864,087.32
  5. Step 5: Solve for x
    x = 4,911,864,087.32/83,549.93
  6. Step 6: Final answer
    x = 58,789.57

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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.