Home / 124,975.75-172,466.55-68,387.14

Finding the Fourth Proportional to 124,975.75, 172,466.55 and 68,387.14

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Solution

The fourth proportional to 124,975.75, 172,466.55 and 68,387.14 is: 94,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.75 : 172,466.55 = 68,387.14 : x
  2. Step 2: Convert to fraction form
    124,975.75/172,466.55 = 68,387.14/x
  3. Step 3: Cross multiply
    124,975.75x = 172,466.55 × 68,387.14
  4. Step 4: Simplify right side
    124,975.75x = 11,794,494,100.17
  5. Step 5: Solve for x
    x = 11,794,494,100.17/124,975.75
  6. Step 6: Final answer
    x = 94,374.26

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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.