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Finding the Fourth Proportional to 71,279.12, 98,275.78 and 45,740.43

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Solution

The fourth proportional to 71,279.12, 98,275.78 and 45,740.43 is: 63,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279.12 : 98,275.78 = 45,740.43 : x
  2. Step 2: Convert to fraction form
    71,279.12/98,275.78 = 45,740.43/x
  3. Step 3: Cross multiply
    71,279.12x = 98,275.78 × 45,740.43
  4. Step 4: Simplify right side
    71,279.12x = 4,495,176,492.96
  5. Step 5: Solve for x
    x = 4,495,176,492.96/71,279.12
  6. Step 6: Final answer
    x = 63,064.42

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