Home / 90,680.92-125,131.68-50,392.12

Finding the Fourth Proportional to 90,680.92, 125,131.68 and 50,392.12

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Solution

The fourth proportional to 90,680.92, 125,131.68 and 50,392.12 is: 69,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,680.92 : 125,131.68 = 50,392.12 : x
  2. Step 2: Convert to fraction form
    90,680.92/125,131.68 = 50,392.12/x
  3. Step 3: Cross multiply
    90,680.92x = 125,131.68 × 50,392.12
  4. Step 4: Simplify right side
    90,680.92x = 6,305,650,634.36
  5. Step 5: Solve for x
    x = 6,305,650,634.36/90,680.92
  6. Step 6: Final answer
    x = 69,536.69

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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.