Home / 91,948.80-137,923.20-36,544.80

Finding the Fourth Proportional to 91,948.80, 137,923.20 and 36,544.80

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Solution

The fourth proportional to 91,948.80, 137,923.20 and 36,544.80 is: 54,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948.80 : 137,923.20 = 36,544.80 : x
  2. Step 2: Convert to fraction form
    91,948.80/137,923.20 = 36,544.80/x
  3. Step 3: Cross multiply
    91,948.80x = 137,923.20 × 36,544.80
  4. Step 4: Simplify right side
    91,948.80x = 5,040,375,759.36
  5. Step 5: Solve for x
    x = 5,040,375,759.36/91,948.80
  6. Step 6: Final answer
    x = 54,817.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.