Home / 87,758-121,125.52-60,572.24

Finding the Fourth Proportional to 87,758, 121,125.52 and 60,572.24

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Solution

The fourth proportional to 87,758, 121,125.52 and 60,572.24 is: 83,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,758 : 121,125.52 = 60,572.24 : x
  2. Step 2: Convert to fraction form
    87,758/121,125.52 = 60,572.24/x
  3. Step 3: Cross multiply
    87,758x = 121,125.52 × 60,572.24
  4. Step 4: Simplify right side
    87,758x = 7,336,844,067.56
  5. Step 5: Solve for x
    x = 7,336,844,067.56/87,758
  6. Step 6: Final answer
    x = 83,603.14

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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.