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Finding the Fourth Proportional to 52,543.70, 78,815.55 and 48,242.90

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Solution

The fourth proportional to 52,543.70, 78,815.55 and 48,242.90 is: 72,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.70 : 78,815.55 = 48,242.90 : x
  2. Step 2: Convert to fraction form
    52,543.70/78,815.55 = 48,242.90/x
  3. Step 3: Cross multiply
    52,543.70x = 78,815.55 × 48,242.90
  4. Step 4: Simplify right side
    52,543.70x = 3,802,290,697.10
  5. Step 5: Solve for x
    x = 3,802,290,697.10/52,543.70
  6. Step 6: Final answer
    x = 72,364.35

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