Home / 92,318.20-138,500.65-25,758.30

Finding the Fourth Proportional to 92,318.20, 138,500.65 and 25,758.30

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Solution

The fourth proportional to 92,318.20, 138,500.65 and 25,758.30 is: 38,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,318.20 : 138,500.65 = 25,758.30 : x
  2. Step 2: Convert to fraction form
    92,318.20/138,500.65 = 25,758.30/x
  3. Step 3: Cross multiply
    92,318.20x = 138,500.65 × 25,758.30
  4. Step 4: Simplify right side
    92,318.20x = 3,567,540,600.39
  5. Step 5: Solve for x
    x = 3,567,540,600.39/92,318.20
  6. Step 6: Final answer
    x = 38,643.96

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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.