Home / 75,721.56-113,582.34-33,585.36

Finding the Fourth Proportional to 75,721.56, 113,582.34 and 33,585.36

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Solution

The fourth proportional to 75,721.56, 113,582.34 and 33,585.36 is: 50,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,721.56 : 113,582.34 = 33,585.36 : x
  2. Step 2: Convert to fraction form
    75,721.56/113,582.34 = 33,585.36/x
  3. Step 3: Cross multiply
    75,721.56x = 113,582.34 × 33,585.36
  4. Step 4: Simplify right side
    75,721.56x = 3,814,703,778.54
  5. Step 5: Solve for x
    x = 3,814,703,778.54/75,721.56
  6. Step 6: Final answer
    x = 50,378.04

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Similar ratio
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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.