Home / 103,667.87-155,473.04-44,490.38

Finding the Fourth Proportional to 103,667.87, 155,473.04 and 44,490.38

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Solution

The fourth proportional to 103,667.87, 155,473.04 and 44,490.38 is: 66,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667.87 : 155,473.04 = 44,490.38 : x
  2. Step 2: Convert to fraction form
    103,667.87/155,473.04 = 44,490.38/x
  3. Step 3: Cross multiply
    103,667.87x = 155,473.04 × 44,490.38
  4. Step 4: Simplify right side
    103,667.87x = 6,917,053,629.54
  5. Step 5: Solve for x
    x = 6,917,053,629.54/103,667.87
  6. Step 6: Final answer
    x = 66,723.22

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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.