Home / 71,458.20-98,612.58-39,630.04

Finding the Fourth Proportional to 71,458.20, 98,612.58 and 39,630.04

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Solution

The fourth proportional to 71,458.20, 98,612.58 and 39,630.04 is: 54,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,458.20 : 98,612.58 = 39,630.04 : x
  2. Step 2: Convert to fraction form
    71,458.20/98,612.58 = 39,630.04/x
  3. Step 3: Cross multiply
    71,458.20x = 98,612.58 × 39,630.04
  4. Step 4: Simplify right side
    71,458.20x = 3,908,020,489.90
  5. Step 5: Solve for x
    x = 3,908,020,489.90/71,458.20
  6. Step 6: Final answer
    x = 54,689.60

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