Home / 75,783.17-104,578.52-41,791.65

Finding the Fourth Proportional to 75,783.17, 104,578.52 and 41,791.65

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Solution

The fourth proportional to 75,783.17, 104,578.52 and 41,791.65 is: 57,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.17 : 104,578.52 = 41,791.65 : x
  2. Step 2: Convert to fraction form
    75,783.17/104,578.52 = 41,791.65/x
  3. Step 3: Cross multiply
    75,783.17x = 104,578.52 × 41,791.65
  4. Step 4: Simplify right side
    75,783.17x = 4,370,508,696.40
  5. Step 5: Solve for x
    x = 4,370,508,696.40/75,783.17
  6. Step 6: Final answer
    x = 57,671.23

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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.