Home / 75,759.45-104,548.78-41,769.28

Finding the Fourth Proportional to 75,759.45, 104,548.78 and 41,769.28

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Solution

The fourth proportional to 75,759.45, 104,548.78 and 41,769.28 is: 57,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,759.45 : 104,548.78 = 41,769.28 : x
  2. Step 2: Convert to fraction form
    75,759.45/104,548.78 = 41,769.28/x
  3. Step 3: Cross multiply
    75,759.45x = 104,548.78 × 41,769.28
  4. Step 4: Simplify right side
    75,759.45x = 4,366,927,265.48
  5. Step 5: Solve for x
    x = 4,366,927,265.48/75,759.45
  6. Step 6: Final answer
    x = 57,642.01

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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.