Home / 54,101.28-74,668.20-32,872.80

Finding the Fourth Proportional to 54,101.28, 74,668.20 and 32,872.80

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Solution

The fourth proportional to 54,101.28, 74,668.20 and 32,872.80 is: 45,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,101.28 : 74,668.20 = 32,872.80 : x
  2. Step 2: Convert to fraction form
    54,101.28/74,668.20 = 32,872.80/x
  3. Step 3: Cross multiply
    54,101.28x = 74,668.20 × 32,872.80
  4. Step 4: Simplify right side
    54,101.28x = 2,454,552,804.96
  5. Step 5: Solve for x
    x = 2,454,552,804.96/54,101.28
  6. Step 6: Final answer
    x = 45,369.59

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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.