Home / 57,930.80-86,896.20-40,216.10

Finding the Fourth Proportional to 57,930.80, 86,896.20 and 40,216.10

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Solution

The fourth proportional to 57,930.80, 86,896.20 and 40,216.10 is: 60,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.80 : 86,896.20 = 40,216.10 : x
  2. Step 2: Convert to fraction form
    57,930.80/86,896.20 = 40,216.10/x
  3. Step 3: Cross multiply
    57,930.80x = 86,896.20 × 40,216.10
  4. Step 4: Simplify right side
    57,930.80x = 3,494,626,268.82
  5. Step 5: Solve for x
    x = 3,494,626,268.82/57,930.80
  6. Step 6: Final answer
    x = 60,324.15

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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.