Home / 125,532.80-173,236.44-68,945.36

Finding the Fourth Proportional to 125,532.80, 173,236.44 and 68,945.36

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Solution

The fourth proportional to 125,532.80, 173,236.44 and 68,945.36 is: 95,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,532.80 : 173,236.44 = 68,945.36 : x
  2. Step 2: Convert to fraction form
    125,532.80/173,236.44 = 68,945.36/x
  3. Step 3: Cross multiply
    125,532.80x = 173,236.44 × 68,945.36
  4. Step 4: Simplify right side
    125,532.80x = 11,943,848,720.92
  5. Step 5: Solve for x
    x = 11,943,848,720.92/125,532.80
  6. Step 6: Final answer
    x = 95,145.24

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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.