Home / 124,936.79-172,416.92-68,348.16

Finding the Fourth Proportional to 124,936.79, 172,416.92 and 68,348.16

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Solution

The fourth proportional to 124,936.79, 172,416.92 and 68,348.16 is: 94,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,936.79 : 172,416.92 = 68,348.16 : x
  2. Step 2: Convert to fraction form
    124,936.79/172,416.92 = 68,348.16/x
  3. Step 3: Cross multiply
    124,936.79x = 172,416.92 × 68,348.16
  4. Step 4: Simplify right side
    124,936.79x = 11,784,378,893.13
  5. Step 5: Solve for x
    x = 11,784,378,893.13/124,936.79
  6. Step 6: Final answer
    x = 94,322.73

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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.