Home / 124,951.26-172,436.70-68,362.64

Finding the Fourth Proportional to 124,951.26, 172,436.70 and 68,362.64

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Solution

The fourth proportional to 124,951.26, 172,436.70 and 68,362.64 is: 94,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,951.26 : 172,436.70 = 68,362.64 : x
  2. Step 2: Convert to fraction form
    124,951.26/172,436.70 = 68,362.64/x
  3. Step 3: Cross multiply
    124,951.26x = 172,436.70 × 68,362.64
  4. Step 4: Simplify right side
    124,951.26x = 11,788,228,044.89
  5. Step 5: Solve for x
    x = 11,788,228,044.89/124,951.26
  6. Step 6: Final answer
    x = 94,342.61

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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.