Home / 45,868.84-68,803.32-12,589.36

Finding the Fourth Proportional to 45,868.84, 68,803.32 and 12,589.36

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Solution

The fourth proportional to 45,868.84, 68,803.32 and 12,589.36 is: 18,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,868.84 : 68,803.32 = 12,589.36 : x
  2. Step 2: Convert to fraction form
    45,868.84/68,803.32 = 12,589.36/x
  3. Step 3: Cross multiply
    45,868.84x = 68,803.32 × 12,589.36
  4. Step 4: Simplify right side
    45,868.84x = 866,189,764.68
  5. Step 5: Solve for x
    x = 866,189,764.68/45,868.84
  6. Step 6: Final answer
    x = 18,884.06

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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.