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Finding the Fourth Proportional to 83,715.20, 125,572.80 and 48,694.40

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Solution

The fourth proportional to 83,715.20, 125,572.80 and 48,694.40 is: 73,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.20 : 125,572.80 = 48,694.40 : x
  2. Step 2: Convert to fraction form
    83,715.20/125,572.80 = 48,694.40/x
  3. Step 3: Cross multiply
    83,715.20x = 125,572.80 × 48,694.40
  4. Step 4: Simplify right side
    83,715.20x = 6,114,692,152.32
  5. Step 5: Solve for x
    x = 6,114,692,152.32/83,715.20
  6. Step 6: Final answer
    x = 73,041.60

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