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Finding the Fourth Proportional to 88,913.40, 133,046.10 and 65,585.40

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Solution

The fourth proportional to 88,913.40, 133,046.10 and 65,585.40 is: 98,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,913.40 : 133,046.10 = 65,585.40 : x
  2. Step 2: Convert to fraction form
    88,913.40/133,046.10 = 65,585.40/x
  3. Step 3: Cross multiply
    88,913.40x = 133,046.10 × 65,585.40
  4. Step 4: Simplify right side
    88,913.40x = 8,725,881,686.94
  5. Step 5: Solve for x
    x = 8,725,881,686.94/88,913.40
  6. Step 6: Final answer
    x = 98,139.11

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