Home / 73,048.05-109,529.82-28,622.79

Finding the Fourth Proportional to 73,048.05, 109,529.82 and 28,622.79

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Solution

The fourth proportional to 73,048.05, 109,529.82 and 28,622.79 is: 42,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,048.05 : 109,529.82 = 28,622.79 : x
  2. Step 2: Convert to fraction form
    73,048.05/109,529.82 = 28,622.79/x
  3. Step 3: Cross multiply
    73,048.05x = 109,529.82 × 28,622.79
  4. Step 4: Simplify right side
    73,048.05x = 3,135,049,036.60
  5. Step 5: Solve for x
    x = 3,135,049,036.60/73,048.05
  6. Step 6: Final answer
    x = 42,917.63

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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.