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Finding the Fourth Proportional to 87,173.19, 130,635.03 and 49,655.79

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Solution

The fourth proportional to 87,173.19, 130,635.03 and 49,655.79 is: 74,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,173.19 : 130,635.03 = 49,655.79 : x
  2. Step 2: Convert to fraction form
    87,173.19/130,635.03 = 49,655.79/x
  3. Step 3: Cross multiply
    87,173.19x = 130,635.03 × 49,655.79
  4. Step 4: Simplify right side
    87,173.19x = 6,486,785,616.32
  5. Step 5: Solve for x
    x = 6,486,785,616.32/87,173.19
  6. Step 6: Final answer
    x = 74,412.62

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