Home / 75,812.52-104,581.62-57,876.42

Finding the Fourth Proportional to 75,812.52, 104,581.62 and 57,876.42

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Solution

The fourth proportional to 75,812.52, 104,581.62 and 57,876.42 is: 79,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812.52 : 104,581.62 = 57,876.42 : x
  2. Step 2: Convert to fraction form
    75,812.52/104,581.62 = 57,876.42/x
  3. Step 3: Cross multiply
    75,812.52x = 104,581.62 × 57,876.42
  4. Step 4: Simplify right side
    75,812.52x = 6,052,809,763.40
  5. Step 5: Solve for x
    x = 6,052,809,763.40/75,812.52
  6. Step 6: Final answer
    x = 79,839.18

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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.