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Finding the Fourth Proportional to 87,506.86, 131,287.52 and 31,347.45

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Solution

The fourth proportional to 87,506.86, 131,287.52 and 31,347.45 is: 47,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506.86 : 131,287.52 = 31,347.45 : x
  2. Step 2: Convert to fraction form
    87,506.86/131,287.52 = 31,347.45/x
  3. Step 3: Cross multiply
    87,506.86x = 131,287.52 × 31,347.45
  4. Step 4: Simplify right side
    87,506.86x = 4,115,529,047.19
  5. Step 5: Solve for x
    x = 4,115,529,047.19/87,506.86
  6. Step 6: Final answer
    x = 47,030.93

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