Home / 75,729.26-104,505.90-41,737.78

Finding the Fourth Proportional to 75,729.26, 104,505.90 and 41,737.78

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Solution

The fourth proportional to 75,729.26, 104,505.90 and 41,737.78 is: 57,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.26 : 104,505.90 = 41,737.78 : x
  2. Step 2: Convert to fraction form
    75,729.26/104,505.90 = 41,737.78/x
  3. Step 3: Cross multiply
    75,729.26x = 104,505.90 × 41,737.78
  4. Step 4: Simplify right side
    75,729.26x = 4,361,844,237.02
  5. Step 5: Solve for x
    x = 4,361,844,237.02/75,729.26
  6. Step 6: Final answer
    x = 57,597.87

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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.