Home / 91,886.11-137,745.94-63,819.42

Finding the Fourth Proportional to 91,886.11, 137,745.94 and 63,819.42

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Solution

The fourth proportional to 91,886.11, 137,745.94 and 63,819.42 is: 95,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,886.11 : 137,745.94 = 63,819.42 : x
  2. Step 2: Convert to fraction form
    91,886.11/137,745.94 = 63,819.42/x
  3. Step 3: Cross multiply
    91,886.11x = 137,745.94 × 63,819.42
  4. Step 4: Simplify right side
    91,886.11x = 8,790,865,998.15
  5. Step 5: Solve for x
    x = 8,790,865,998.15/91,886.11
  6. Step 6: Final answer
    x = 95,671.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.