Home / 71,919.98-99,233.07-43,226.54

Finding the Fourth Proportional to 71,919.98, 99,233.07 and 43,226.54

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Solution

The fourth proportional to 71,919.98, 99,233.07 and 43,226.54 is: 59,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919.98 : 99,233.07 = 43,226.54 : x
  2. Step 2: Convert to fraction form
    71,919.98/99,233.07 = 43,226.54/x
  3. Step 3: Cross multiply
    71,919.98x = 99,233.07 × 43,226.54
  4. Step 4: Simplify right side
    71,919.98x = 4,289,502,269.68
  5. Step 5: Solve for x
    x = 4,289,502,269.68/71,919.98
  6. Step 6: Final answer
    x = 59,642.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.