Home / 75,982.05-104,896.62-45,774.72

Finding the Fourth Proportional to 75,982.05, 104,896.62 and 45,774.72

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Solution

The fourth proportional to 75,982.05, 104,896.62 and 45,774.72 is: 63,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.05 : 104,896.62 = 45,774.72 : x
  2. Step 2: Convert to fraction form
    75,982.05/104,896.62 = 45,774.72/x
  3. Step 3: Cross multiply
    75,982.05x = 104,896.62 × 45,774.72
  4. Step 4: Simplify right side
    75,982.05x = 4,801,613,409.45
  5. Step 5: Solve for x
    x = 4,801,613,409.45/75,982.05
  6. Step 6: Final answer
    x = 63,194.05

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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.