Home / 83,979.40-125,969.10-24,815.65

Finding the Fourth Proportional to 83,979.40, 125,969.10 and 24,815.65

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Solution

The fourth proportional to 83,979.40, 125,969.10 and 24,815.65 is: 37,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.40 : 125,969.10 = 24,815.65 : x
  2. Step 2: Convert to fraction form
    83,979.40/125,969.10 = 24,815.65/x
  3. Step 3: Cross multiply
    83,979.40x = 125,969.10 × 24,815.65
  4. Step 4: Simplify right side
    83,979.40x = 3,126,005,096.42
  5. Step 5: Solve for x
    x = 3,126,005,096.42/83,979.40
  6. Step 6: Final answer
    x = 37,223.48

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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.