Home / 61,722.24-85,142.58-50,249.50

Finding the Fourth Proportional to 61,722.24, 85,142.58 and 50,249.50

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Solution

The fourth proportional to 61,722.24, 85,142.58 and 50,249.50 is: 69,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,722.24 : 85,142.58 = 50,249.50 : x
  2. Step 2: Convert to fraction form
    61,722.24/85,142.58 = 50,249.50/x
  3. Step 3: Cross multiply
    61,722.24x = 85,142.58 × 50,249.50
  4. Step 4: Simplify right side
    61,722.24x = 4,278,372,073.71
  5. Step 5: Solve for x
    x = 4,278,372,073.71/61,722.24
  6. Step 6: Final answer
    x = 69,316.54

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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.