Home / 85,081.21-127,633.66-37,692.56

Finding the Fourth Proportional to 85,081.21, 127,633.66 and 37,692.56

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Solution

The fourth proportional to 85,081.21, 127,633.66 and 37,692.56 is: 56,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,081.21 : 127,633.66 = 37,692.56 : x
  2. Step 2: Convert to fraction form
    85,081.21/127,633.66 = 37,692.56/x
  3. Step 3: Cross multiply
    85,081.21x = 127,633.66 × 37,692.56
  4. Step 4: Simplify right side
    85,081.21x = 4,810,839,612.42
  5. Step 5: Solve for x
    x = 4,810,839,612.42/85,081.21
  6. Step 6: Final answer
    x = 56,544.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.