Home / 125,521.52-173,223.26-68,936.56

Finding the Fourth Proportional to 125,521.52, 173,223.26 and 68,936.56

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Solution

The fourth proportional to 125,521.52, 173,223.26 and 68,936.56 is: 95,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.52 : 173,223.26 = 68,936.56 : x
  2. Step 2: Convert to fraction form
    125,521.52/173,223.26 = 68,936.56/x
  3. Step 3: Cross multiply
    125,521.52x = 173,223.26 × 68,936.56
  4. Step 4: Simplify right side
    125,521.52x = 11,941,415,656.39
  5. Step 5: Solve for x
    x = 11,941,415,656.39/125,521.52
  6. Step 6: Final answer
    x = 95,134.41

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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.