Home / 90,758.77-125,247.17-50,471.65

Finding the Fourth Proportional to 90,758.77, 125,247.17 and 50,471.65

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Solution

The fourth proportional to 90,758.77, 125,247.17 and 50,471.65 is: 69,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,758.77 : 125,247.17 = 50,471.65 : x
  2. Step 2: Convert to fraction form
    90,758.77/125,247.17 = 50,471.65/x
  3. Step 3: Cross multiply
    90,758.77x = 125,247.17 × 50,471.65
  4. Step 4: Simplify right side
    90,758.77x = 6,321,431,140.79
  5. Step 5: Solve for x
    x = 6,321,431,140.79/90,758.77
  6. Step 6: Final answer
    x = 69,650.91

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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.