Home / 87,934.36-121,346.78-50,201.24

Finding the Fourth Proportional to 87,934.36, 121,346.78 and 50,201.24

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Solution

The fourth proportional to 87,934.36, 121,346.78 and 50,201.24 is: 69,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.36 : 121,346.78 = 50,201.24 : x
  2. Step 2: Convert to fraction form
    87,934.36/121,346.78 = 50,201.24/x
  3. Step 3: Cross multiply
    87,934.36x = 121,346.78 × 50,201.24
  4. Step 4: Simplify right side
    87,934.36x = 6,091,758,826.01
  5. Step 5: Solve for x
    x = 6,091,758,826.01/87,934.36
  6. Step 6: Final answer
    x = 69,276.21

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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.