Home / 67,364.96-101,062.24-20,621.44

Finding the Fourth Proportional to 67,364.96, 101,062.24 and 20,621.44

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Solution

The fourth proportional to 67,364.96, 101,062.24 and 20,621.44 is: 30,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,364.96 : 101,062.24 = 20,621.44 : x
  2. Step 2: Convert to fraction form
    67,364.96/101,062.24 = 20,621.44/x
  3. Step 3: Cross multiply
    67,364.96x = 101,062.24 × 20,621.44
  4. Step 4: Simplify right side
    67,364.96x = 2,084,048,918.43
  5. Step 5: Solve for x
    x = 2,084,048,918.43/67,364.96
  6. Step 6: Final answer
    x = 30,936.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.