Home / 67,279.62-92,173.53-64,757.28

Finding the Fourth Proportional to 67,279.62, 92,173.53 and 64,757.28

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Solution

The fourth proportional to 67,279.62, 92,173.53 and 64,757.28 is: 88,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,279.62 : 92,173.53 = 64,757.28 : x
  2. Step 2: Convert to fraction form
    67,279.62/92,173.53 = 64,757.28/x
  3. Step 3: Cross multiply
    67,279.62x = 92,173.53 × 64,757.28
  4. Step 4: Simplify right side
    67,279.62x = 5,968,907,090.80
  5. Step 5: Solve for x
    x = 5,968,907,090.80/67,279.62
  6. Step 6: Final answer
    x = 88,717.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.