Home / 54,438.48-75,122.64-32,928.12

Finding the Fourth Proportional to 54,438.48, 75,122.64 and 32,928.12

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Solution

The fourth proportional to 54,438.48, 75,122.64 and 32,928.12 is: 45,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438.48 : 75,122.64 = 32,928.12 : x
  2. Step 2: Convert to fraction form
    54,438.48/75,122.64 = 32,928.12/x
  3. Step 3: Cross multiply
    54,438.48x = 75,122.64 × 32,928.12
  4. Step 4: Simplify right side
    54,438.48x = 2,473,647,304.64
  5. Step 5: Solve for x
    x = 2,473,647,304.64/54,438.48
  6. Step 6: Final answer
    x = 45,439.32

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Find fourth proportional to 54,439.48, 75,124.02 and 32,929.12
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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.