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Finding the Fourth Proportional to 84,080.90, 126,120.80 and 24,916.88

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Solution

The fourth proportional to 84,080.90, 126,120.80 and 24,916.88 is: 37,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,080.90 : 126,120.80 = 24,916.88 : x
  2. Step 2: Convert to fraction form
    84,080.90/126,120.80 = 24,916.88/x
  3. Step 3: Cross multiply
    84,080.90x = 126,120.80 × 24,916.88
  4. Step 4: Simplify right side
    84,080.90x = 3,142,536,839.10
  5. Step 5: Solve for x
    x = 3,142,536,839.10/84,080.90
  6. Step 6: Final answer
    x = 37,375.16

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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.