Home / 92,826.35-127,870.78-79,169.75

Finding the Fourth Proportional to 92,826.35, 127,870.78 and 79,169.75

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Solution

The fourth proportional to 92,826.35, 127,870.78 and 79,169.75 is: 109,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.35 : 127,870.78 = 79,169.75 : x
  2. Step 2: Convert to fraction form
    92,826.35/127,870.78 = 79,169.75/x
  3. Step 3: Cross multiply
    92,826.35x = 127,870.78 × 79,169.75
  4. Step 4: Simplify right side
    92,826.35x = 10,123,497,684.91
  5. Step 5: Solve for x
    x = 10,123,497,684.91/92,826.35
  6. Step 6: Final answer
    x = 109,058.45

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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.