Home / 57,039.32-78,717.22-32,843.88

Finding the Fourth Proportional to 57,039.32, 78,717.22 and 32,843.88

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Solution

The fourth proportional to 57,039.32, 78,717.22 and 32,843.88 is: 45,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.32 : 78,717.22 = 32,843.88 : x
  2. Step 2: Convert to fraction form
    57,039.32/78,717.22 = 32,843.88/x
  3. Step 3: Cross multiply
    57,039.32x = 78,717.22 × 32,843.88
  4. Step 4: Simplify right side
    57,039.32x = 2,585,378,845.50
  5. Step 5: Solve for x
    x = 2,585,378,845.50/57,039.32
  6. Step 6: Final answer
    x = 45,326.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.