Home / 57,745.14-79,690.55-33,215.88

Finding the Fourth Proportional to 57,745.14, 79,690.55 and 33,215.88

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Solution

The fourth proportional to 57,745.14, 79,690.55 and 33,215.88 is: 45,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.14 : 79,690.55 = 33,215.88 : x
  2. Step 2: Convert to fraction form
    57,745.14/79,690.55 = 33,215.88/x
  3. Step 3: Cross multiply
    57,745.14x = 79,690.55 × 33,215.88
  4. Step 4: Simplify right side
    57,745.14x = 2,646,991,878.69
  5. Step 5: Solve for x
    x = 2,646,991,878.69/57,745.14
  6. Step 6: Final answer
    x = 45,839.22

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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.