Home / 124,962.87-187,361.24-68,829.42

Finding the Fourth Proportional to 124,962.87, 187,361.24 and 68,829.42

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Solution

The fourth proportional to 124,962.87, 187,361.24 and 68,829.42 is: 103,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,962.87 : 187,361.24 = 68,829.42 : x
  2. Step 2: Convert to fraction form
    124,962.87/187,361.24 = 68,829.42/x
  3. Step 3: Cross multiply
    124,962.87x = 187,361.24 × 68,829.42
  4. Step 4: Simplify right side
    124,962.87x = 12,895,965,135.53
  5. Step 5: Solve for x
    x = 12,895,965,135.53/124,962.87
  6. Step 6: Final answer
    x = 103,198.38

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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.