Home / 80,752.69-121,039.83-33,341.65

Finding the Fourth Proportional to 80,752.69, 121,039.83 and 33,341.65

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Solution

The fourth proportional to 80,752.69, 121,039.83 and 33,341.65 is: 49,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752.69 : 121,039.83 = 33,341.65 : x
  2. Step 2: Convert to fraction form
    80,752.69/121,039.83 = 33,341.65/x
  3. Step 3: Cross multiply
    80,752.69x = 121,039.83 × 33,341.65
  4. Step 4: Simplify right side
    80,752.69x = 4,035,667,647.92
  5. Step 5: Solve for x
    x = 4,035,667,647.92/80,752.69
  6. Step 6: Final answer
    x = 49,975.64

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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.