Home / 124,845.12-172,286.24-68,256.48

Finding the Fourth Proportional to 124,845.12, 172,286.24 and 68,256.48

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Solution

The fourth proportional to 124,845.12, 172,286.24 and 68,256.48 is: 94,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.12 : 172,286.24 = 68,256.48 : x
  2. Step 2: Convert to fraction form
    124,845.12/172,286.24 = 68,256.48/x
  3. Step 3: Cross multiply
    124,845.12x = 172,286.24 × 68,256.48
  4. Step 4: Simplify right side
    124,845.12x = 11,759,652,294.84
  5. Step 5: Solve for x
    x = 11,759,652,294.84/124,845.12
  6. Step 6: Final answer
    x = 94,193.93

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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.