Home / 45,884.31-68,818.24-12,150.54

Finding the Fourth Proportional to 45,884.31, 68,818.24 and 12,150.54

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Solution

The fourth proportional to 45,884.31, 68,818.24 and 12,150.54 is: 18,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,884.31 : 68,818.24 = 12,150.54 : x
  2. Step 2: Convert to fraction form
    45,884.31/68,818.24 = 12,150.54/x
  3. Step 3: Cross multiply
    45,884.31x = 68,818.24 × 12,150.54
  4. Step 4: Simplify right side
    45,884.31x = 836,178,777.85
  5. Step 5: Solve for x
    x = 836,178,777.85/45,884.31
  6. Step 6: Final answer
    x = 18,223.63

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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.