Home / 124,846.12-172,287.62-68,257.48

Finding the Fourth Proportional to 124,846.12, 172,287.62 and 68,257.48

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Solution

The fourth proportional to 124,846.12, 172,287.62 and 68,257.48 is: 94,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,846.12 : 172,287.62 = 68,257.48 : x
  2. Step 2: Convert to fraction form
    124,846.12/172,287.62 = 68,257.48/x
  3. Step 3: Cross multiply
    124,846.12x = 172,287.62 × 68,257.48
  4. Step 4: Simplify right side
    124,846.12x = 11,759,918,776.40
  5. Step 5: Solve for x
    x = 11,759,918,776.40/124,846.12
  6. Step 6: Final answer
    x = 94,195.31

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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.