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Finding the Fourth Proportional to 86,545.78, 119,431.57 and 48,820.02

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Solution

The fourth proportional to 86,545.78, 119,431.57 and 48,820.02 is: 67,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,545.78 : 119,431.57 = 48,820.02 : x
  2. Step 2: Convert to fraction form
    86,545.78/119,431.57 = 48,820.02/x
  3. Step 3: Cross multiply
    86,545.78x = 119,431.57 × 48,820.02
  4. Step 4: Simplify right side
    86,545.78x = 5,830,651,636.03
  5. Step 5: Solve for x
    x = 5,830,651,636.03/86,545.78
  6. Step 6: Final answer
    x = 67,370.72

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