Home / 92,069.16-138,145.26-41,480.78

Finding the Fourth Proportional to 92,069.16, 138,145.26 and 41,480.78

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Solution

The fourth proportional to 92,069.16, 138,145.26 and 41,480.78 is: 62,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,069.16 : 138,145.26 = 41,480.78 : x
  2. Step 2: Convert to fraction form
    92,069.16/138,145.26 = 41,480.78/x
  3. Step 3: Cross multiply
    92,069.16x = 138,145.26 × 41,480.78
  4. Step 4: Simplify right side
    92,069.16x = 5,730,373,138.10
  5. Step 5: Solve for x
    x = 5,730,373,138.10/92,069.16
  6. Step 6: Final answer
    x = 62,239.88

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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.