Home / 57,011.91-85,424.37-40,290.27

Finding the Fourth Proportional to 57,011.91, 85,424.37 and 40,290.27

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Solution

The fourth proportional to 57,011.91, 85,424.37 and 40,290.27 is: 60,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.91 : 85,424.37 = 40,290.27 : x
  2. Step 2: Convert to fraction form
    57,011.91/85,424.37 = 40,290.27/x
  3. Step 3: Cross multiply
    57,011.91x = 85,424.37 × 40,290.27
  4. Step 4: Simplify right side
    57,011.91x = 3,441,770,931.88
  5. Step 5: Solve for x
    x = 3,441,770,931.88/57,011.91
  6. Step 6: Final answer
    x = 60,369.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.