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Finding the Fourth Proportional to 55,446.12, 83,020.14 and 42,235.56

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Solution

The fourth proportional to 55,446.12, 83,020.14 and 42,235.56 is: 63,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,446.12 : 83,020.14 = 42,235.56 : x
  2. Step 2: Convert to fraction form
    55,446.12/83,020.14 = 42,235.56/x
  3. Step 3: Cross multiply
    55,446.12x = 83,020.14 × 42,235.56
  4. Step 4: Simplify right side
    55,446.12x = 3,506,402,104.18
  5. Step 5: Solve for x
    x = 3,506,402,104.18/55,446.12
  6. Step 6: Final answer
    x = 63,239.81

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