Home / 104,849.28-144,692.88-57,102.96

Finding the Fourth Proportional to 104,849.28, 144,692.88 and 57,102.96

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Solution

The fourth proportional to 104,849.28, 144,692.88 and 57,102.96 is: 78,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,849.28 : 144,692.88 = 57,102.96 : x
  2. Step 2: Convert to fraction form
    104,849.28/144,692.88 = 57,102.96/x
  3. Step 3: Cross multiply
    104,849.28x = 144,692.88 × 57,102.96
  4. Step 4: Simplify right side
    104,849.28x = 8,262,391,738.92
  5. Step 5: Solve for x
    x = 8,262,391,738.92/104,849.28
  6. Step 6: Final answer
    x = 78,802.56

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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.