Home / 45,149.31-67,789.71-33,339.51

Finding the Fourth Proportional to 45,149.31, 67,789.71 and 33,339.51

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Solution

The fourth proportional to 45,149.31, 67,789.71 and 33,339.51 is: 50,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,149.31 : 67,789.71 = 33,339.51 : x
  2. Step 2: Convert to fraction form
    45,149.31/67,789.71 = 33,339.51/x
  3. Step 3: Cross multiply
    45,149.31x = 67,789.71 × 33,339.51
  4. Step 4: Simplify right side
    45,149.31x = 2,260,075,714.44
  5. Step 5: Solve for x
    x = 2,260,075,714.44/45,149.31
  6. Step 6: Final answer
    x = 50,057.81

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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.