Home / 104,721.15-144,515.82-56,974.84

Finding the Fourth Proportional to 104,721.15, 144,515.82 and 56,974.84

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Solution

The fourth proportional to 104,721.15, 144,515.82 and 56,974.84 is: 78,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.15 : 144,515.82 = 56,974.84 : x
  2. Step 2: Convert to fraction form
    104,721.15/144,515.82 = 56,974.84/x
  3. Step 3: Cross multiply
    104,721.15x = 144,515.82 × 56,974.84
  4. Step 4: Simplify right side
    104,721.15x = 8,233,766,226.99
  5. Step 5: Solve for x
    x = 8,233,766,226.99/104,721.15
  6. Step 6: Final answer
    x = 78,625.63

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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.