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Finding the Fourth Proportional to 48,624.80, 72,937.20 and 47,458.40

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Solution

The fourth proportional to 48,624.80, 72,937.20 and 47,458.40 is: 71,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,624.80 : 72,937.20 = 47,458.40 : x
  2. Step 2: Convert to fraction form
    48,624.80/72,937.20 = 47,458.40/x
  3. Step 3: Cross multiply
    48,624.80x = 72,937.20 × 47,458.40
  4. Step 4: Simplify right side
    48,624.80x = 3,461,482,812.48
  5. Step 5: Solve for x
    x = 3,461,482,812.48/48,624.80
  6. Step 6: Final answer
    x = 71,187.60

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