Home / 101,869.45-140,586.20-58,850.75

Finding the Fourth Proportional to 101,869.45, 140,586.20 and 58,850.75

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Solution

The fourth proportional to 101,869.45, 140,586.20 and 58,850.75 is: 81,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,869.45 : 140,586.20 = 58,850.75 : x
  2. Step 2: Convert to fraction form
    101,869.45/140,586.20 = 58,850.75/x
  3. Step 3: Cross multiply
    101,869.45x = 140,586.20 × 58,850.75
  4. Step 4: Simplify right side
    101,869.45x = 8,273,603,309.65
  5. Step 5: Solve for x
    x = 8,273,603,309.65/101,869.45
  6. Step 6: Final answer
    x = 81,217.71

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1.5x scale

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.