Home / 87,794.28-121,158.18-50,067.72

Finding the Fourth Proportional to 87,794.28, 121,158.18 and 50,067.72

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Solution

The fourth proportional to 87,794.28, 121,158.18 and 50,067.72 is: 69,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,794.28 : 121,158.18 = 50,067.72 : x
  2. Step 2: Convert to fraction form
    87,794.28/121,158.18 = 50,067.72/x
  3. Step 3: Cross multiply
    87,794.28x = 121,158.18 × 50,067.72
  4. Step 4: Simplify right side
    87,794.28x = 6,066,113,831.95
  5. Step 5: Solve for x
    x = 6,066,113,831.95/87,794.28
  6. Step 6: Final answer
    x = 69,094.64

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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.