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Finding the Fourth Proportional to 83,545.52, 115,291.40 and 47,246.40

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Solution

The fourth proportional to 83,545.52, 115,291.40 and 47,246.40 is: 65,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545.52 : 115,291.40 = 47,246.40 : x
  2. Step 2: Convert to fraction form
    83,545.52/115,291.40 = 47,246.40/x
  3. Step 3: Cross multiply
    83,545.52x = 115,291.40 × 47,246.40
  4. Step 4: Simplify right side
    83,545.52x = 5,447,103,600.96
  5. Step 5: Solve for x
    x = 5,447,103,600.96/83,545.52
  6. Step 6: Final answer
    x = 65,199.23

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