Home / 72,542.12-108,728.94-41,399.24

Finding the Fourth Proportional to 72,542.12, 108,728.94 and 41,399.24

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Solution

The fourth proportional to 72,542.12, 108,728.94 and 41,399.24 is: 62,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,542.12 : 108,728.94 = 41,399.24 : x
  2. Step 2: Convert to fraction form
    72,542.12/108,728.94 = 41,399.24/x
  3. Step 3: Cross multiply
    72,542.12x = 108,728.94 × 41,399.24
  4. Step 4: Simplify right side
    72,542.12x = 4,501,295,482.01
  5. Step 5: Solve for x
    x = 4,501,295,482.01/72,542.12
  6. Step 6: Final answer
    x = 62,050.78

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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.