Home / 57,520.14-79,372.13-33,642.15

Finding the Fourth Proportional to 57,520.14, 79,372.13 and 33,642.15

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Solution

The fourth proportional to 57,520.14, 79,372.13 and 33,642.15 is: 46,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.14 : 79,372.13 = 33,642.15 : x
  2. Step 2: Convert to fraction form
    57,520.14/79,372.13 = 33,642.15/x
  3. Step 3: Cross multiply
    57,520.14x = 79,372.13 × 33,642.15
  4. Step 4: Simplify right side
    57,520.14x = 2,670,249,103.28
  5. Step 5: Solve for x
    x = 2,670,249,103.28/57,520.14
  6. Step 6: Final answer
    x = 46,422.85

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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.