Home / 81,013.32-111,797.96-45,203.27

Finding the Fourth Proportional to 81,013.32, 111,797.96 and 45,203.27

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Solution

The fourth proportional to 81,013.32, 111,797.96 and 45,203.27 is: 62,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,013.32 : 111,797.96 = 45,203.27 : x
  2. Step 2: Convert to fraction form
    81,013.32/111,797.96 = 45,203.27/x
  3. Step 3: Cross multiply
    81,013.32x = 111,797.96 × 45,203.27
  4. Step 4: Simplify right side
    81,013.32x = 5,053,632,586.32
  5. Step 5: Solve for x
    x = 5,053,632,586.32/81,013.32
  6. Step 6: Final answer
    x = 62,380.27

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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.