Home / 87,924.96-121,378.36-50,191.92

Finding the Fourth Proportional to 87,924.96, 121,378.36 and 50,191.92

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Solution

The fourth proportional to 87,924.96, 121,378.36 and 50,191.92 is: 69,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.96 : 121,378.36 = 50,191.92 : x
  2. Step 2: Convert to fraction form
    87,924.96/121,378.36 = 50,191.92/x
  3. Step 3: Cross multiply
    87,924.96x = 121,378.36 × 50,191.92
  4. Step 4: Simplify right side
    87,924.96x = 6,092,212,934.85
  5. Step 5: Solve for x
    x = 6,092,212,934.85/87,924.96
  6. Step 6: Final answer
    x = 69,288.78

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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.