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Finding the Fourth Proportional to 91,315.13, 126,014.51 and 51,028.88

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Solution

The fourth proportional to 91,315.13, 126,014.51 and 51,028.88 is: 70,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,315.13 : 126,014.51 = 51,028.88 : x
  2. Step 2: Convert to fraction form
    91,315.13/126,014.51 = 51,028.88/x
  3. Step 3: Cross multiply
    91,315.13x = 126,014.51 × 51,028.88
  4. Step 4: Simplify right side
    91,315.13x = 6,430,379,444.72
  5. Step 5: Solve for x
    x = 6,430,379,444.72/91,315.13
  6. Step 6: Final answer
    x = 70,419.65

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