Home / 81,086.97-111,899.34-44,293.21

Finding the Fourth Proportional to 81,086.97, 111,899.34 and 44,293.21

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Solution

The fourth proportional to 81,086.97, 111,899.34 and 44,293.21 is: 61,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,086.97 : 111,899.34 = 44,293.21 : x
  2. Step 2: Convert to fraction form
    81,086.97/111,899.34 = 44,293.21/x
  3. Step 3: Cross multiply
    81,086.97x = 111,899.34 × 44,293.21
  4. Step 4: Simplify right side
    81,086.97x = 4,956,381,076.21
  5. Step 5: Solve for x
    x = 4,956,381,076.21/81,086.97
  6. Step 6: Final answer
    x = 61,124.26

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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.