Home / 124,845.62-172,286.93-68,256.98

Finding the Fourth Proportional to 124,845.62, 172,286.93 and 68,256.98

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Solution

The fourth proportional to 124,845.62, 172,286.93 and 68,256.98 is: 94,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.62 : 172,286.93 = 68,256.98 : x
  2. Step 2: Convert to fraction form
    124,845.62/172,286.93 = 68,256.98/x
  3. Step 3: Cross multiply
    124,845.62x = 172,286.93 × 68,256.98
  4. Step 4: Simplify right side
    124,845.62x = 11,759,785,535.27
  5. Step 5: Solve for x
    x = 11,759,785,535.27/124,845.62
  6. Step 6: Final answer
    x = 94,194.62

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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.