Home / 125,487.97-173,173.61-68,127.29

Finding the Fourth Proportional to 125,487.97, 173,173.61 and 68,127.29

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Solution

The fourth proportional to 125,487.97, 173,173.61 and 68,127.29 is: 94,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,487.97 : 173,173.61 = 68,127.29 : x
  2. Step 2: Convert to fraction form
    125,487.97/173,173.61 = 68,127.29/x
  3. Step 3: Cross multiply
    125,487.97x = 173,173.61 × 68,127.29
  4. Step 4: Simplify right side
    125,487.97x = 11,797,848,658.78
  5. Step 5: Solve for x
    x = 11,797,848,658.78/125,487.97
  6. Step 6: Final answer
    x = 94,015.77

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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.