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Finding the Fourth Proportional to 92,543.40, 138,620.70 and 50,941.80

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Solution

The fourth proportional to 92,543.40, 138,620.70 and 50,941.80 is: 76,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,543.40 : 138,620.70 = 50,941.80 : x
  2. Step 2: Convert to fraction form
    92,543.40/138,620.70 = 50,941.80/x
  3. Step 3: Cross multiply
    92,543.40x = 138,620.70 × 50,941.80
  4. Step 4: Simplify right side
    92,543.40x = 7,061,587,975.26
  5. Step 5: Solve for x
    x = 7,061,587,975.26/92,543.40
  6. Step 6: Final answer
    x = 76,305.69

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