Home / 67,261.13-92,148.16-64,738.79

Finding the Fourth Proportional to 67,261.13, 92,148.16 and 64,738.79

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Solution

The fourth proportional to 67,261.13, 92,148.16 and 64,738.79 is: 88,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.13 : 92,148.16 = 64,738.79 : x
  2. Step 2: Convert to fraction form
    67,261.13/92,148.16 = 64,738.79/x
  3. Step 3: Cross multiply
    67,261.13x = 92,148.16 × 64,738.79
  4. Step 4: Simplify right side
    67,261.13x = 5,965,560,379.13
  5. Step 5: Solve for x
    x = 5,965,560,379.13/67,261.13
  6. Step 6: Final answer
    x = 88,692.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.