Home / 124,968.75-172,456.89-68,380.14

Finding the Fourth Proportional to 124,968.75, 172,456.89 and 68,380.14

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Solution

The fourth proportional to 124,968.75, 172,456.89 and 68,380.14 is: 94,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,968.75 : 172,456.89 = 68,380.14 : x
  2. Step 2: Convert to fraction form
    124,968.75/172,456.89 = 68,380.14/x
  3. Step 3: Cross multiply
    124,968.75x = 172,456.89 × 68,380.14
  4. Step 4: Simplify right side
    124,968.75x = 11,792,626,282.16
  5. Step 5: Solve for x
    x = 11,792,626,282.16/124,968.75
  6. Step 6: Final answer
    x = 94,364.60

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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.