Home / 91,543.28-126,324.14-50,704.98

Finding the Fourth Proportional to 91,543.28, 126,324.14 and 50,704.98

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Solution

The fourth proportional to 91,543.28, 126,324.14 and 50,704.98 is: 69,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,543.28 : 126,324.14 = 50,704.98 : x
  2. Step 2: Convert to fraction form
    91,543.28/126,324.14 = 50,704.98/x
  3. Step 3: Cross multiply
    91,543.28x = 126,324.14 × 50,704.98
  4. Step 4: Simplify right side
    91,543.28x = 6,405,263,118.98
  5. Step 5: Solve for x
    x = 6,405,263,118.98/91,543.28
  6. Step 6: Final answer
    x = 69,969.78

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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.