Home / 99,537.26-137,361.40-54,825.26

Finding the Fourth Proportional to 99,537.26, 137,361.40 and 54,825.26

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Solution

The fourth proportional to 99,537.26, 137,361.40 and 54,825.26 is: 75,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,537.26 : 137,361.40 = 54,825.26 : x
  2. Step 2: Convert to fraction form
    99,537.26/137,361.40 = 54,825.26/x
  3. Step 3: Cross multiply
    99,537.26x = 137,361.40 × 54,825.26
  4. Step 4: Simplify right side
    99,537.26x = 7,530,874,468.96
  5. Step 5: Solve for x
    x = 7,530,874,468.96/99,537.26
  6. Step 6: Final answer
    x = 75,658.85

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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.