Home / 108,517.20-162,775.80-37,439.70

Finding the Fourth Proportional to 108,517.20, 162,775.80 and 37,439.70

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Solution

The fourth proportional to 108,517.20, 162,775.80 and 37,439.70 is: 56,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,517.20 : 162,775.80 = 37,439.70 : x
  2. Step 2: Convert to fraction form
    108,517.20/162,775.80 = 37,439.70/x
  3. Step 3: Cross multiply
    108,517.20x = 162,775.80 × 37,439.70
  4. Step 4: Simplify right side
    108,517.20x = 6,094,277,119.26
  5. Step 5: Solve for x
    x = 6,094,277,119.26/108,517.20
  6. Step 6: Final answer
    x = 56,159.55

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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.