Home / 91,380.24-126,103.88-50,544.36

Finding the Fourth Proportional to 91,380.24, 126,103.88 and 50,544.36

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Solution

The fourth proportional to 91,380.24, 126,103.88 and 50,544.36 is: 69,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,380.24 : 126,103.88 = 50,544.36 : x
  2. Step 2: Convert to fraction form
    91,380.24/126,103.88 = 50,544.36/x
  3. Step 3: Cross multiply
    91,380.24x = 126,103.88 × 50,544.36
  4. Step 4: Simplify right side
    91,380.24x = 6,373,839,908.12
  5. Step 5: Solve for x
    x = 6,373,839,908.12/91,380.24
  6. Step 6: Final answer
    x = 69,750.75

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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.