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Finding the Fourth Proportional to 77,809.55, 116,750.77 and 38,345.13

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Solution

The fourth proportional to 77,809.55, 116,750.77 and 38,345.13 is: 57,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,809.55 : 116,750.77 = 38,345.13 : x
  2. Step 2: Convert to fraction form
    77,809.55/116,750.77 = 38,345.13/x
  3. Step 3: Cross multiply
    77,809.55x = 116,750.77 × 38,345.13
  4. Step 4: Simplify right side
    77,809.55x = 4,476,823,357.39
  5. Step 5: Solve for x
    x = 4,476,823,357.39/77,809.55
  6. Step 6: Final answer
    x = 57,535.66

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