Home / 57,919.25-79,928.02-32,768.75

Finding the Fourth Proportional to 57,919.25, 79,928.02 and 32,768.75

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Solution

The fourth proportional to 57,919.25, 79,928.02 and 32,768.75 is: 45,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919.25 : 79,928.02 = 32,768.75 : x
  2. Step 2: Convert to fraction form
    57,919.25/79,928.02 = 32,768.75/x
  3. Step 3: Cross multiply
    57,919.25x = 79,928.02 × 32,768.75
  4. Step 4: Simplify right side
    57,919.25x = 2,619,141,305.38
  5. Step 5: Solve for x
    x = 2,619,141,305.38/57,919.25
  6. Step 6: Final answer
    x = 45,220.57

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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.