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Finding the Fourth Proportional to 88,830.90, 133,073.55 and 53,666.10

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Solution

The fourth proportional to 88,830.90, 133,073.55 and 53,666.10 is: 80,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,830.90 : 133,073.55 = 53,666.10 : x
  2. Step 2: Convert to fraction form
    88,830.90/133,073.55 = 53,666.10/x
  3. Step 3: Cross multiply
    88,830.90x = 133,073.55 × 53,666.10
  4. Step 4: Simplify right side
    88,830.90x = 7,141,538,441.66
  5. Step 5: Solve for x
    x = 7,141,538,441.66/88,830.90
  6. Step 6: Final answer
    x = 80,394.75

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