Home / 75,759.73-113,638.84-29,012.61

Finding the Fourth Proportional to 75,759.73, 113,638.84 and 29,012.61

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Solution

The fourth proportional to 75,759.73, 113,638.84 and 29,012.61 is: 43,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,759.73 : 113,638.84 = 29,012.61 : x
  2. Step 2: Convert to fraction form
    75,759.73/113,638.84 = 29,012.61/x
  3. Step 3: Cross multiply
    75,759.73x = 113,638.84 × 29,012.61
  4. Step 4: Simplify right side
    75,759.73x = 3,296,959,345.77
  5. Step 5: Solve for x
    x = 3,296,959,345.77/75,759.73
  6. Step 6: Final answer
    x = 43,518.63

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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.