Home / 87,930.64-121,341.76-51,631.52

Finding the Fourth Proportional to 87,930.64, 121,341.76 and 51,631.52

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Solution

The fourth proportional to 87,930.64, 121,341.76 and 51,631.52 is: 71,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,930.64 : 121,341.76 = 51,631.52 : x
  2. Step 2: Convert to fraction form
    87,930.64/121,341.76 = 51,631.52/x
  3. Step 3: Cross multiply
    87,930.64x = 121,341.76 × 51,631.52
  4. Step 4: Simplify right side
    87,930.64x = 6,265,059,508.28
  5. Step 5: Solve for x
    x = 6,265,059,508.28/87,930.64
  6. Step 6: Final answer
    x = 71,250.02

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