Home / 124,888.50-172,342.62-68,298.66

Finding the Fourth Proportional to 124,888.50, 172,342.62 and 68,298.66

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Solution

The fourth proportional to 124,888.50, 172,342.62 and 68,298.66 is: 94,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,888.50 : 172,342.62 = 68,298.66 : x
  2. Step 2: Convert to fraction form
    124,888.50/172,342.62 = 68,298.66/x
  3. Step 3: Cross multiply
    124,888.50x = 172,342.62 × 68,298.66
  4. Step 4: Simplify right side
    124,888.50x = 11,770,770,006.89
  5. Step 5: Solve for x
    x = 11,770,770,006.89/124,888.50
  6. Step 6: Final answer
    x = 94,250.23

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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.