Home / 125,531.16-173,234.37-68,942.53

Finding the Fourth Proportional to 125,531.16, 173,234.37 and 68,942.53

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Solution

The fourth proportional to 125,531.16, 173,234.37 and 68,942.53 is: 95,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,531.16 : 173,234.37 = 68,942.53 : x
  2. Step 2: Convert to fraction form
    125,531.16/173,234.37 = 68,942.53/x
  3. Step 3: Cross multiply
    125,531.16x = 173,234.37 × 68,942.53
  4. Step 4: Simplify right side
    125,531.16x = 11,943,215,406.04
  5. Step 5: Solve for x
    x = 11,943,215,406.04/125,531.16
  6. Step 6: Final answer
    x = 95,141.44

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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.