Home / 124,881.75-172,340.46-68,296.77

Finding the Fourth Proportional to 124,881.75, 172,340.46 and 68,296.77

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Solution

The fourth proportional to 124,881.75, 172,340.46 and 68,296.77 is: 94,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,881.75 : 172,340.46 = 68,296.77 : x
  2. Step 2: Convert to fraction form
    124,881.75/172,340.46 = 68,296.77/x
  3. Step 3: Cross multiply
    124,881.75x = 172,340.46 × 68,296.77
  4. Step 4: Simplify right side
    124,881.75x = 11,770,296,758.31
  5. Step 5: Solve for x
    x = 11,770,296,758.31/124,881.75
  6. Step 6: Final answer
    x = 94,251.54

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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.