Home / 83,626.50-125,439.75-28,222.50

Finding the Fourth Proportional to 83,626.50, 125,439.75 and 28,222.50

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Solution

The fourth proportional to 83,626.50, 125,439.75 and 28,222.50 is: 42,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,626.50 : 125,439.75 = 28,222.50 : x
  2. Step 2: Convert to fraction form
    83,626.50/125,439.75 = 28,222.50/x
  3. Step 3: Cross multiply
    83,626.50x = 125,439.75 × 28,222.50
  4. Step 4: Simplify right side
    83,626.50x = 3,540,223,344.38
  5. Step 5: Solve for x
    x = 3,540,223,344.38/83,626.50
  6. Step 6: Final answer
    x = 42,333.75

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Similar ratio
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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.