Home / 73,249.55-109,864.56-20,663.27

Finding the Fourth Proportional to 73,249.55, 109,864.56 and 20,663.27

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Solution

The fourth proportional to 73,249.55, 109,864.56 and 20,663.27 is: 30,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,249.55 : 109,864.56 = 20,663.27 : x
  2. Step 2: Convert to fraction form
    73,249.55/109,864.56 = 20,663.27/x
  3. Step 3: Cross multiply
    73,249.55x = 109,864.56 × 20,663.27
  4. Step 4: Simplify right side
    73,249.55x = 2,270,161,066.71
  5. Step 5: Solve for x
    x = 2,270,161,066.71/73,249.55
  6. Step 6: Final answer
    x = 30,992.15

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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.