Home / 55,119.51-82,692.78-17,679.69

Finding the Fourth Proportional to 55,119.51, 82,692.78 and 17,679.69

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Solution

The fourth proportional to 55,119.51, 82,692.78 and 17,679.69 is: 26,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.51 : 82,692.78 = 17,679.69 : x
  2. Step 2: Convert to fraction form
    55,119.51/82,692.78 = 17,679.69/x
  3. Step 3: Cross multiply
    55,119.51x = 82,692.78 × 17,679.69
  4. Step 4: Simplify right side
    55,119.51x = 1,461,982,715.64
  5. Step 5: Solve for x
    x = 1,461,982,715.64/55,119.51
  6. Step 6: Final answer
    x = 26,523.87

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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.