Home / 124,791.06-172,211.64-68,202.43

Finding the Fourth Proportional to 124,791.06, 172,211.64 and 68,202.43

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Solution

The fourth proportional to 124,791.06, 172,211.64 and 68,202.43 is: 94,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,791.06 : 172,211.64 = 68,202.43 : x
  2. Step 2: Convert to fraction form
    124,791.06/172,211.64 = 68,202.43/x
  3. Step 3: Cross multiply
    124,791.06x = 172,211.64 × 68,202.43
  4. Step 4: Simplify right side
    124,791.06x = 11,745,252,322.29
  5. Step 5: Solve for x
    x = 11,745,252,322.29/124,791.06
  6. Step 6: Final answer
    x = 94,119.34

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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.