Home / 76,628.97-105,732.13-44,791.72

Finding the Fourth Proportional to 76,628.97, 105,732.13 and 44,791.72

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Solution

The fourth proportional to 76,628.97, 105,732.13 and 44,791.72 is: 61,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628.97 : 105,732.13 = 44,791.72 : x
  2. Step 2: Convert to fraction form
    76,628.97/105,732.13 = 44,791.72/x
  3. Step 3: Cross multiply
    76,628.97x = 105,732.13 × 44,791.72
  4. Step 4: Simplify right side
    76,628.97x = 4,735,923,961.96
  5. Step 5: Solve for x
    x = 4,735,923,961.96/76,628.97
  6. Step 6: Final answer
    x = 61,803.31

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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.