Home / 108,595.40-162,909.30-38,469.20

Finding the Fourth Proportional to 108,595.40, 162,909.30 and 38,469.20

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Solution

The fourth proportional to 108,595.40, 162,909.30 and 38,469.20 is: 57,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,595.40 : 162,909.30 = 38,469.20 : x
  2. Step 2: Convert to fraction form
    108,595.40/162,909.30 = 38,469.20/x
  3. Step 3: Cross multiply
    108,595.40x = 162,909.30 × 38,469.20
  4. Step 4: Simplify right side
    108,595.40x = 6,266,990,443.56
  5. Step 5: Solve for x
    x = 6,266,990,443.56/108,595.40
  6. Step 6: Final answer
    x = 57,709.54

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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.