Home / 108,567.40-162,867.30-38,441.20

Finding the Fourth Proportional to 108,567.40, 162,867.30 and 38,441.20

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Solution

The fourth proportional to 108,567.40, 162,867.30 and 38,441.20 is: 57,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,567.40 : 162,867.30 = 38,441.20 : x
  2. Step 2: Convert to fraction form
    108,567.40/162,867.30 = 38,441.20/x
  3. Step 3: Cross multiply
    108,567.40x = 162,867.30 × 38,441.20
  4. Step 4: Simplify right side
    108,567.40x = 6,260,814,452.76
  5. Step 5: Solve for x
    x = 6,260,814,452.76/108,567.40
  6. Step 6: Final answer
    x = 57,667.54

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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.