Home / 125,453.26-173,123.62-68,864.64

Finding the Fourth Proportional to 125,453.26, 173,123.62 and 68,864.64

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Solution

The fourth proportional to 125,453.26, 173,123.62 and 68,864.64 is: 95,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,453.26 : 173,123.62 = 68,864.64 : x
  2. Step 2: Convert to fraction form
    125,453.26/173,123.62 = 68,864.64/x
  3. Step 3: Cross multiply
    125,453.26x = 173,123.62 × 68,864.64
  4. Step 4: Simplify right side
    125,453.26x = 11,922,095,766.80
  5. Step 5: Solve for x
    x = 11,922,095,766.80/125,453.26
  6. Step 6: Final answer
    x = 95,032.17

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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.