Home / 109,625.94-151,286.13-61,876.44

Finding the Fourth Proportional to 109,625.94, 151,286.13 and 61,876.44

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Solution

The fourth proportional to 109,625.94, 151,286.13 and 61,876.44 is: 85,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,625.94 : 151,286.13 = 61,876.44 : x
  2. Step 2: Convert to fraction form
    109,625.94/151,286.13 = 61,876.44/x
  3. Step 3: Cross multiply
    109,625.94x = 151,286.13 × 61,876.44
  4. Step 4: Simplify right side
    109,625.94x = 9,361,047,145.78
  5. Step 5: Solve for x
    x = 9,361,047,145.78/109,625.94
  6. Step 6: Final answer
    x = 85,390.80

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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.