Home / 81,056.32-111,859.61-50,842.92

Finding the Fourth Proportional to 81,056.32, 111,859.61 and 50,842.92

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Solution

The fourth proportional to 81,056.32, 111,859.61 and 50,842.92 is: 70,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,056.32 : 111,859.61 = 50,842.92 : x
  2. Step 2: Convert to fraction form
    81,056.32/111,859.61 = 50,842.92/x
  3. Step 3: Cross multiply
    81,056.32x = 111,859.61 × 50,842.92
  4. Step 4: Simplify right side
    81,056.32x = 5,687,269,202.46
  5. Step 5: Solve for x
    x = 5,687,269,202.46/81,056.32
  6. Step 6: Final answer
    x = 70,164.41

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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.