Home / 50,079.28-69,110.44-30,961.84

Finding the Fourth Proportional to 50,079.28, 69,110.44 and 30,961.84

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Solution

The fourth proportional to 50,079.28, 69,110.44 and 30,961.84 is: 42,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,079.28 : 69,110.44 = 30,961.84 : x
  2. Step 2: Convert to fraction form
    50,079.28/69,110.44 = 30,961.84/x
  3. Step 3: Cross multiply
    50,079.28x = 69,110.44 × 30,961.84
  4. Step 4: Simplify right side
    50,079.28x = 2,139,786,385.61
  5. Step 5: Solve for x
    x = 2,139,786,385.61/50,079.28
  6. Step 6: Final answer
    x = 42,727.98

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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.