Home / 57,745.26-79,688.88-33,872.40

Finding the Fourth Proportional to 57,745.26, 79,688.88 and 33,872.40

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Solution

The fourth proportional to 57,745.26, 79,688.88 and 33,872.40 is: 46,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.26 : 79,688.88 = 33,872.40 : x
  2. Step 2: Convert to fraction form
    57,745.26/79,688.88 = 33,872.40/x
  3. Step 3: Cross multiply
    57,745.26x = 79,688.88 × 33,872.40
  4. Step 4: Simplify right side
    57,745.26x = 2,699,253,618.91
  5. Step 5: Solve for x
    x = 2,699,253,618.91/57,745.26
  6. Step 6: Final answer
    x = 46,744.16

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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.