Home / 61,716.24-85,202.30-38,769.99

Finding the Fourth Proportional to 61,716.24, 85,202.30 and 38,769.99

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Solution

The fourth proportional to 61,716.24, 85,202.30 and 38,769.99 is: 53,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.24 : 85,202.30 = 38,769.99 : x
  2. Step 2: Convert to fraction form
    61,716.24/85,202.30 = 38,769.99/x
  3. Step 3: Cross multiply
    61,716.24x = 85,202.30 × 38,769.99
  4. Step 4: Simplify right side
    61,716.24x = 3,303,292,318.98
  5. Step 5: Solve for x
    x = 3,303,292,318.98/61,716.24
  6. Step 6: Final answer
    x = 53,523.88

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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.