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Finding the Fourth Proportional to 74,409.93, 102,725.69 and 57,376.85

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Solution

The fourth proportional to 74,409.93, 102,725.69 and 57,376.85 is: 79,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,409.93 : 102,725.69 = 57,376.85 : x
  2. Step 2: Convert to fraction form
    74,409.93/102,725.69 = 57,376.85/x
  3. Step 3: Cross multiply
    74,409.93x = 102,725.69 × 57,376.85
  4. Step 4: Simplify right side
    74,409.93x = 5,894,075,705.76
  5. Step 5: Solve for x
    x = 5,894,075,705.76/74,409.93
  6. Step 6: Final answer
    x = 79,210.88

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