Home / 83,515.19-125,105.72-50,216.90

Finding the Fourth Proportional to 83,515.19, 125,105.72 and 50,216.90

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Solution

The fourth proportional to 83,515.19, 125,105.72 and 50,216.90 is: 75,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,515.19 : 125,105.72 = 50,216.90 : x
  2. Step 2: Convert to fraction form
    83,515.19/125,105.72 = 50,216.90/x
  3. Step 3: Cross multiply
    83,515.19x = 125,105.72 × 50,216.90
  4. Step 4: Simplify right side
    83,515.19x = 6,282,420,554.05
  5. Step 5: Solve for x
    x = 6,282,420,554.05/83,515.19
  6. Step 6: Final answer
    x = 75,224.89

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1.5x scale

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.