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Finding the Fourth Proportional to 91,173.50, 125,824.36 and 53,459.90

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Solution

The fourth proportional to 91,173.50, 125,824.36 and 53,459.90 is: 73,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,173.50 : 125,824.36 = 53,459.90 : x
  2. Step 2: Convert to fraction form
    91,173.50/125,824.36 = 53,459.90/x
  3. Step 3: Cross multiply
    91,173.50x = 125,824.36 × 53,459.90
  4. Step 4: Simplify right side
    91,173.50x = 6,726,557,703.16
  5. Step 5: Solve for x
    x = 6,726,557,703.16/91,173.50
  6. Step 6: Final answer
    x = 73,777.55

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