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Finding the Fourth Proportional to 85,412.13, 117,859.80 and 49,595.16

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Solution

The fourth proportional to 85,412.13, 117,859.80 and 49,595.16 is: 68,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,412.13 : 117,859.80 = 49,595.16 : x
  2. Step 2: Convert to fraction form
    85,412.13/117,859.80 = 49,595.16/x
  3. Step 3: Cross multiply
    85,412.13x = 117,859.80 × 49,595.16
  4. Step 4: Simplify right side
    85,412.13x = 5,845,275,638.57
  5. Step 5: Solve for x
    x = 5,845,275,638.57/85,412.13
  6. Step 6: Final answer
    x = 68,436.13

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