Home / 92,158.28-127,178.64-51,872.61

Finding the Fourth Proportional to 92,158.28, 127,178.64 and 51,872.61

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Solution

The fourth proportional to 92,158.28, 127,178.64 and 51,872.61 is: 71,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,158.28 : 127,178.64 = 51,872.61 : x
  2. Step 2: Convert to fraction form
    92,158.28/127,178.64 = 51,872.61/x
  3. Step 3: Cross multiply
    92,158.28x = 127,178.64 × 51,872.61
  4. Step 4: Simplify right side
    92,158.28x = 6,597,087,993.05
  5. Step 5: Solve for x
    x = 6,597,087,993.05/92,158.28
  6. Step 6: Final answer
    x = 71,584.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.