Home / 91,076.11-125,685.84-50,241.80

Finding the Fourth Proportional to 91,076.11, 125,685.84 and 50,241.80

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Solution

The fourth proportional to 91,076.11, 125,685.84 and 50,241.80 is: 69,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,076.11 : 125,685.84 = 50,241.80 : x
  2. Step 2: Convert to fraction form
    91,076.11/125,685.84 = 50,241.80/x
  3. Step 3: Cross multiply
    91,076.11x = 125,685.84 × 50,241.80
  4. Step 4: Simplify right side
    91,076.11x = 6,314,682,836.11
  5. Step 5: Solve for x
    x = 6,314,682,836.11/91,076.11
  6. Step 6: Final answer
    x = 69,334.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.