Home / 92,318.27-127,398.83-49,876.70

Finding the Fourth Proportional to 92,318.27, 127,398.83 and 49,876.70

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Solution

The fourth proportional to 92,318.27, 127,398.83 and 49,876.70 is: 68,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,318.27 : 127,398.83 = 49,876.70 : x
  2. Step 2: Convert to fraction form
    92,318.27/127,398.83 = 49,876.70/x
  3. Step 3: Cross multiply
    92,318.27x = 127,398.83 × 49,876.70
  4. Step 4: Simplify right side
    92,318.27x = 6,354,232,337.88
  5. Step 5: Solve for x
    x = 6,354,232,337.88/92,318.27
  6. Step 6: Final answer
    x = 68,829.63

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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.