Home / 91,134.78-136,709.32-24,573.90

Finding the Fourth Proportional to 91,134.78, 136,709.32 and 24,573.90

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Solution

The fourth proportional to 91,134.78, 136,709.32 and 24,573.90 is: 36,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.78 : 136,709.32 = 24,573.90 : x
  2. Step 2: Convert to fraction form
    91,134.78/136,709.32 = 24,573.90/x
  3. Step 3: Cross multiply
    91,134.78x = 136,709.32 × 24,573.90
  4. Step 4: Simplify right side
    91,134.78x = 3,359,481,158.75
  5. Step 5: Solve for x
    x = 3,359,481,158.75/91,134.78
  6. Step 6: Final answer
    x = 36,862.78

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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.