Home / 124,951.10-172,436.82-68,362.47

Finding the Fourth Proportional to 124,951.10, 172,436.82 and 68,362.47

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Solution

The fourth proportional to 124,951.10, 172,436.82 and 68,362.47 is: 94,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,951.10 : 172,436.82 = 68,362.47 : x
  2. Step 2: Convert to fraction form
    124,951.10/172,436.82 = 68,362.47/x
  3. Step 3: Cross multiply
    124,951.10x = 172,436.82 × 68,362.47
  4. Step 4: Simplify right side
    124,951.10x = 11,788,206,677.79
  5. Step 5: Solve for x
    x = 11,788,206,677.79/124,951.10
  6. Step 6: Final answer
    x = 94,342.56

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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.