Home / 103,769.28-155,675.79-33,643.14

Finding the Fourth Proportional to 103,769.28, 155,675.79 and 33,643.14

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Solution

The fourth proportional to 103,769.28, 155,675.79 and 33,643.14 is: 50,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,769.28 : 155,675.79 = 33,643.14 : x
  2. Step 2: Convert to fraction form
    103,769.28/155,675.79 = 33,643.14/x
  3. Step 3: Cross multiply
    103,769.28x = 155,675.79 × 33,643.14
  4. Step 4: Simplify right side
    103,769.28x = 5,237,422,397.58
  5. Step 5: Solve for x
    x = 5,237,422,397.58/103,769.28
  6. Step 6: Final answer
    x = 50,471.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.