Home / 73,049.05-109,531.32-28,623.79

Finding the Fourth Proportional to 73,049.05, 109,531.32 and 28,623.79

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Solution

The fourth proportional to 73,049.05, 109,531.32 and 28,623.79 is: 42,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,049.05 : 109,531.32 = 28,623.79 : x
  2. Step 2: Convert to fraction form
    73,049.05/109,531.32 = 28,623.79/x
  3. Step 3: Cross multiply
    73,049.05x = 109,531.32 × 28,623.79
  4. Step 4: Simplify right side
    73,049.05x = 3,135,201,502.10
  5. Step 5: Solve for x
    x = 3,135,201,502.10/73,049.05
  6. Step 6: Final answer
    x = 42,919.13

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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.