Home / 75,680.82-104,439.54-43,868.16

Finding the Fourth Proportional to 75,680.82, 104,439.54 and 43,868.16

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Solution

The fourth proportional to 75,680.82, 104,439.54 and 43,868.16 is: 60,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.82 : 104,439.54 = 43,868.16 : x
  2. Step 2: Convert to fraction form
    75,680.82/104,439.54 = 43,868.16/x
  3. Step 3: Cross multiply
    75,680.82x = 104,439.54 × 43,868.16
  4. Step 4: Simplify right side
    75,680.82x = 4,581,570,451.05
  5. Step 5: Solve for x
    x = 4,581,570,451.05/75,680.82
  6. Step 6: Final answer
    x = 60,538.07

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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.