Home / 57,928.25-79,899.69-53,163.57

Finding the Fourth Proportional to 57,928.25, 79,899.69 and 53,163.57

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Solution

The fourth proportional to 57,928.25, 79,899.69 and 53,163.57 is: 73,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.25 : 79,899.69 = 53,163.57 : x
  2. Step 2: Convert to fraction form
    57,928.25/79,899.69 = 53,163.57/x
  3. Step 3: Cross multiply
    57,928.25x = 79,899.69 × 53,163.57
  4. Step 4: Simplify right side
    57,928.25x = 4,247,752,762.29
  5. Step 5: Solve for x
    x = 4,247,752,762.29/57,928.25
  6. Step 6: Final answer
    x = 73,327.83

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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.