Home / 92,305.20-127,381.10-49,863.72

Finding the Fourth Proportional to 92,305.20, 127,381.10 and 49,863.72

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Solution

The fourth proportional to 92,305.20, 127,381.10 and 49,863.72 is: 68,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,305.20 : 127,381.10 = 49,863.72 : x
  2. Step 2: Convert to fraction form
    92,305.20/127,381.10 = 49,863.72/x
  3. Step 3: Cross multiply
    92,305.20x = 127,381.10 × 49,863.72
  4. Step 4: Simplify right side
    92,305.20x = 6,351,695,503.69
  5. Step 5: Solve for x
    x = 6,351,695,503.69/92,305.20
  6. Step 6: Final answer
    x = 68,811.89

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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.