Home / 83,255.20-124,882.80-73,413.70

Finding the Fourth Proportional to 83,255.20, 124,882.80 and 73,413.70

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Solution

The fourth proportional to 83,255.20, 124,882.80 and 73,413.70 is: 110,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,255.20 : 124,882.80 = 73,413.70 : x
  2. Step 2: Convert to fraction form
    83,255.20/124,882.80 = 73,413.70/x
  3. Step 3: Cross multiply
    83,255.20x = 124,882.80 × 73,413.70
  4. Step 4: Simplify right side
    83,255.20x = 9,168,108,414.36
  5. Step 5: Solve for x
    x = 9,168,108,414.36/83,255.20
  6. Step 6: Final answer
    x = 110,120.55

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1.5x scale

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.