Home / 72,208.16-108,331.56-22,286.24

Finding the Fourth Proportional to 72,208.16, 108,331.56 and 22,286.24

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Solution

The fourth proportional to 72,208.16, 108,331.56 and 22,286.24 is: 33,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,208.16 : 108,331.56 = 22,286.24 : x
  2. Step 2: Convert to fraction form
    72,208.16/108,331.56 = 22,286.24/x
  3. Step 3: Cross multiply
    72,208.16x = 108,331.56 × 22,286.24
  4. Step 4: Simplify right side
    72,208.16x = 2,414,303,145.73
  5. Step 5: Solve for x
    x = 2,414,303,145.73/72,208.16
  6. Step 6: Final answer
    x = 33,435.32

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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.