Home / 75,781.06-104,583.82-41,792.65

Finding the Fourth Proportional to 75,781.06, 104,583.82 and 41,792.65

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Solution

The fourth proportional to 75,781.06, 104,583.82 and 41,792.65 is: 57,677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,781.06 : 104,583.82 = 41,792.65 : x
  2. Step 2: Convert to fraction form
    75,781.06/104,583.82 = 41,792.65/x
  3. Step 3: Cross multiply
    75,781.06x = 104,583.82 × 41,792.65
  4. Step 4: Simplify right side
    75,781.06x = 4,370,834,984.92
  5. Step 5: Solve for x
    x = 4,370,834,984.92/75,781.06
  6. Step 6: Final answer
    x = 57,677.14

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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.