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Finding the Fourth Proportional to 71,543.70, 107,315.55 and 36,551.70

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Solution

The fourth proportional to 71,543.70, 107,315.55 and 36,551.70 is: 54,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,543.70 : 107,315.55 = 36,551.70 : x
  2. Step 2: Convert to fraction form
    71,543.70/107,315.55 = 36,551.70/x
  3. Step 3: Cross multiply
    71,543.70x = 107,315.55 × 36,551.70
  4. Step 4: Simplify right side
    71,543.70x = 3,922,565,788.94
  5. Step 5: Solve for x
    x = 3,922,565,788.94/71,543.70
  6. Step 6: Final answer
    x = 54,827.55

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