Home / 104,865.44-144,716.52-57,118.67

Finding the Fourth Proportional to 104,865.44, 144,716.52 and 57,118.67

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Solution

The fourth proportional to 104,865.44, 144,716.52 and 57,118.67 is: 78,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,865.44 : 144,716.52 = 57,118.67 : x
  2. Step 2: Convert to fraction form
    104,865.44/144,716.52 = 57,118.67/x
  3. Step 3: Cross multiply
    104,865.44x = 144,716.52 × 57,118.67
  4. Step 4: Simplify right side
    104,865.44x = 8,266,015,182.73
  5. Step 5: Solve for x
    x = 8,266,015,182.73/104,865.44
  6. Step 6: Final answer
    x = 78,824.97

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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.