Home / 83,979.92-125,990.58-24,815.36

Finding the Fourth Proportional to 83,979.92, 125,990.58 and 24,815.36

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Solution

The fourth proportional to 83,979.92, 125,990.58 and 24,815.36 is: 37,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.92 : 125,990.58 = 24,815.36 : x
  2. Step 2: Convert to fraction form
    83,979.92/125,990.58 = 24,815.36/x
  3. Step 3: Cross multiply
    83,979.92x = 125,990.58 × 24,815.36
  4. Step 4: Simplify right side
    83,979.92x = 3,126,501,599.31
  5. Step 5: Solve for x
    x = 3,126,501,599.31/83,979.92
  6. Step 6: Final answer
    x = 37,229.16

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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.