Home / 83,312.20-124,979.10-41,213.80

Finding the Fourth Proportional to 83,312.20, 124,979.10 and 41,213.80

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Solution

The fourth proportional to 83,312.20, 124,979.10 and 41,213.80 is: 61,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,312.20 : 124,979.10 = 41,213.80 : x
  2. Step 2: Convert to fraction form
    83,312.20/124,979.10 = 41,213.80/x
  3. Step 3: Cross multiply
    83,312.20x = 124,979.10 × 41,213.80
  4. Step 4: Simplify right side
    83,312.20x = 5,150,863,631.58
  5. Step 5: Solve for x
    x = 5,150,863,631.58/83,312.20
  6. Step 6: Final answer
    x = 61,826.04

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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.