Home / 124,849.72-172,293.34-68,261.10

Finding the Fourth Proportional to 124,849.72, 172,293.34 and 68,261.10

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Solution

The fourth proportional to 124,849.72, 172,293.34 and 68,261.10 is: 94,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,849.72 : 172,293.34 = 68,261.10 : x
  2. Step 2: Convert to fraction form
    124,849.72/172,293.34 = 68,261.10/x
  3. Step 3: Cross multiply
    124,849.72x = 172,293.34 × 68,261.10
  4. Step 4: Simplify right side
    124,849.72x = 11,760,931,708.30
  5. Step 5: Solve for x
    x = 11,760,931,708.30/124,849.72
  6. Step 6: Final answer
    x = 94,200.71

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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.