Home / 125,531.73-173,235.15-68,943.11

Finding the Fourth Proportional to 125,531.73, 173,235.15 and 68,943.11

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Solution

The fourth proportional to 125,531.73, 173,235.15 and 68,943.11 is: 95,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,531.73 : 173,235.15 = 68,943.11 : x
  2. Step 2: Convert to fraction form
    125,531.73/173,235.15 = 68,943.11/x
  3. Step 3: Cross multiply
    125,531.73x = 173,235.15 × 68,943.11
  4. Step 4: Simplify right side
    125,531.73x = 11,943,369,136.14
  5. Step 5: Solve for x
    x = 11,943,369,136.14/125,531.73
  6. Step 6: Final answer
    x = 95,142.23

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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.