Home / 45,977.18-68,971.20-16,399.22

Finding the Fourth Proportional to 45,977.18, 68,971.20 and 16,399.22

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Solution

The fourth proportional to 45,977.18, 68,971.20 and 16,399.22 is: 24,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,977.18 : 68,971.20 = 16,399.22 : x
  2. Step 2: Convert to fraction form
    45,977.18/68,971.20 = 16,399.22/x
  3. Step 3: Cross multiply
    45,977.18x = 68,971.20 × 16,399.22
  4. Step 4: Simplify right side
    45,977.18x = 1,131,073,882.46
  5. Step 5: Solve for x
    x = 1,131,073,882.46/45,977.18
  6. Step 6: Final answer
    x = 24,600.77

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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.