Home / 90,800.14-125,305.87-50,517.65

Finding the Fourth Proportional to 90,800.14, 125,305.87 and 50,517.65

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Solution

The fourth proportional to 90,800.14, 125,305.87 and 50,517.65 is: 69,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800.14 : 125,305.87 = 50,517.65 : x
  2. Step 2: Convert to fraction form
    90,800.14/125,305.87 = 50,517.65/x
  3. Step 3: Cross multiply
    90,800.14x = 125,305.87 × 50,517.65
  4. Step 4: Simplify right side
    90,800.14x = 6,330,158,226.00
  5. Step 5: Solve for x
    x = 6,330,158,226.00/90,800.14
  6. Step 6: Final answer
    x = 69,715.29

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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.