Home / 108,527.20-162,693.60-71,105.20

Finding the Fourth Proportional to 108,527.20, 162,693.60 and 71,105.20

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Solution

The fourth proportional to 108,527.20, 162,693.60 and 71,105.20 is: 106,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,527.20 : 162,693.60 = 71,105.20 : x
  2. Step 2: Convert to fraction form
    108,527.20/162,693.60 = 71,105.20/x
  3. Step 3: Cross multiply
    108,527.20x = 162,693.60 × 71,105.20
  4. Step 4: Simplify right side
    108,527.20x = 11,568,360,966.72
  5. Step 5: Solve for x
    x = 11,568,360,966.72/108,527.20
  6. Step 6: Final answer
    x = 106,594.12

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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.