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Finding the Fourth Proportional to 88,683.40, 133,025.10 and 55,613.80

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Solution

The fourth proportional to 88,683.40, 133,025.10 and 55,613.80 is: 83,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.40 : 133,025.10 = 55,613.80 : x
  2. Step 2: Convert to fraction form
    88,683.40/133,025.10 = 55,613.80/x
  3. Step 3: Cross multiply
    88,683.40x = 133,025.10 × 55,613.80
  4. Step 4: Simplify right side
    88,683.40x = 7,398,031,306.38
  5. Step 5: Solve for x
    x = 7,398,031,306.38/88,683.40
  6. Step 6: Final answer
    x = 83,420.70

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