Home / 83,956.20-126,080.10-44,590.20

Finding the Fourth Proportional to 83,956.20, 126,080.10 and 44,590.20

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Solution

The fourth proportional to 83,956.20, 126,080.10 and 44,590.20 is: 66,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,956.20 : 126,080.10 = 44,590.20 : x
  2. Step 2: Convert to fraction form
    83,956.20/126,080.10 = 44,590.20/x
  3. Step 3: Cross multiply
    83,956.20x = 126,080.10 × 44,590.20
  4. Step 4: Simplify right side
    83,956.20x = 5,621,936,875.02
  5. Step 5: Solve for x
    x = 5,621,936,875.02/83,956.20
  6. Step 6: Final answer
    x = 66,962.74

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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.