Home / 124,845.53-172,287.56-68,256.91

Finding the Fourth Proportional to 124,845.53, 172,287.56 and 68,256.91

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Solution

The fourth proportional to 124,845.53, 172,287.56 and 68,256.91 is: 94,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.53 : 172,287.56 = 68,256.91 : x
  2. Step 2: Convert to fraction form
    124,845.53/172,287.56 = 68,256.91/x
  3. Step 3: Cross multiply
    124,845.53x = 172,287.56 × 68,256.91
  4. Step 4: Simplify right side
    124,845.53x = 11,759,815,274.32
  5. Step 5: Solve for x
    x = 11,759,815,274.32/124,845.53
  6. Step 6: Final answer
    x = 94,194.92

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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.