Home / 84,074.81-126,049.44-50,787.32

Finding the Fourth Proportional to 84,074.81, 126,049.44 and 50,787.32

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Solution

The fourth proportional to 84,074.81, 126,049.44 and 50,787.32 is: 76,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,074.81 : 126,049.44 = 50,787.32 : x
  2. Step 2: Convert to fraction form
    84,074.81/126,049.44 = 50,787.32/x
  3. Step 3: Cross multiply
    84,074.81x = 126,049.44 × 50,787.32
  4. Step 4: Simplify right side
    84,074.81x = 6,401,713,245.10
  5. Step 5: Solve for x
    x = 6,401,713,245.10/84,074.81
  6. Step 6: Final answer
    x = 76,143.06

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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.