Home / 90,668.16-125,119.62-50,380.92

Finding the Fourth Proportional to 90,668.16, 125,119.62 and 50,380.92

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Solution

The fourth proportional to 90,668.16, 125,119.62 and 50,380.92 is: 69,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,668.16 : 125,119.62 = 50,380.92 : x
  2. Step 2: Convert to fraction form
    90,668.16/125,119.62 = 50,380.92/x
  3. Step 3: Cross multiply
    90,668.16x = 125,119.62 × 50,380.92
  4. Step 4: Simplify right side
    90,668.16x = 6,303,641,565.65
  5. Step 5: Solve for x
    x = 6,303,641,565.65/90,668.16
  6. Step 6: Final answer
    x = 69,524.31

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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.