Home / 73,267.72-109,891.62-20,681.44

Finding the Fourth Proportional to 73,267.72, 109,891.62 and 20,681.44

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Solution

The fourth proportional to 73,267.72, 109,891.62 and 20,681.44 is: 31,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,267.72 : 109,891.62 = 20,681.44 : x
  2. Step 2: Convert to fraction form
    73,267.72/109,891.62 = 20,681.44/x
  3. Step 3: Cross multiply
    73,267.72x = 109,891.62 × 20,681.44
  4. Step 4: Simplify right side
    73,267.72x = 2,272,716,945.53
  5. Step 5: Solve for x
    x = 2,272,716,945.53/73,267.72
  6. Step 6: Final answer
    x = 31,019.35

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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.