Home / 71,921.05-99,249.03-41,293.26

Finding the Fourth Proportional to 71,921.05, 99,249.03 and 41,293.26

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Solution

The fourth proportional to 71,921.05, 99,249.03 and 41,293.26 is: 56,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,921.05 : 99,249.03 = 41,293.26 : x
  2. Step 2: Convert to fraction form
    71,921.05/99,249.03 = 41,293.26/x
  3. Step 3: Cross multiply
    71,921.05x = 99,249.03 × 41,293.26
  4. Step 4: Simplify right side
    71,921.05x = 4,098,316,000.54
  5. Step 5: Solve for x
    x = 4,098,316,000.54/71,921.05
  6. Step 6: Final answer
    x = 56,983.54

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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.