Home / 75,533.69-113,198.47-28,761.05

Finding the Fourth Proportional to 75,533.69, 113,198.47 and 28,761.05

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Solution

The fourth proportional to 75,533.69, 113,198.47 and 28,761.05 is: 43,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,533.69 : 113,198.47 = 28,761.05 : x
  2. Step 2: Convert to fraction form
    75,533.69/113,198.47 = 28,761.05/x
  3. Step 3: Cross multiply
    75,533.69x = 113,198.47 × 28,761.05
  4. Step 4: Simplify right side
    75,533.69x = 3,255,706,950.54
  5. Step 5: Solve for x
    x = 3,255,706,950.54/75,533.69
  6. Step 6: Final answer
    x = 43,102.71

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1.5x scale

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.