Home / 108,443.28-162,610.35-45,247.02

Finding the Fourth Proportional to 108,443.28, 162,610.35 and 45,247.02

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Solution

The fourth proportional to 108,443.28, 162,610.35 and 45,247.02 is: 67,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,443.28 : 162,610.35 = 45,247.02 : x
  2. Step 2: Convert to fraction form
    108,443.28/162,610.35 = 45,247.02/x
  3. Step 3: Cross multiply
    108,443.28x = 162,610.35 × 45,247.02
  4. Step 4: Simplify right side
    108,443.28x = 7,357,633,758.66
  5. Step 5: Solve for x
    x = 7,357,633,758.66/108,443.28
  6. Step 6: Final answer
    x = 67,847.76

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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.