Home / 66,170.52-91,324.44-40,692.96

Finding the Fourth Proportional to 66,170.52, 91,324.44 and 40,692.96

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Solution

The fourth proportional to 66,170.52, 91,324.44 and 40,692.96 is: 56,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,170.52 : 91,324.44 = 40,692.96 : x
  2. Step 2: Convert to fraction form
    66,170.52/91,324.44 = 40,692.96/x
  3. Step 3: Cross multiply
    66,170.52x = 91,324.44 × 40,692.96
  4. Step 4: Simplify right side
    66,170.52x = 3,716,261,783.94
  5. Step 5: Solve for x
    x = 3,716,261,783.94/66,170.52
  6. Step 6: Final answer
    x = 56,161.89

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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.