Home / 45,650.25-68,371.47-31,546.38

Finding the Fourth Proportional to 45,650.25, 68,371.47 and 31,546.38

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Solution

The fourth proportional to 45,650.25, 68,371.47 and 31,546.38 is: 47,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,650.25 : 68,371.47 = 31,546.38 : x
  2. Step 2: Convert to fraction form
    45,650.25/68,371.47 = 31,546.38/x
  3. Step 3: Cross multiply
    45,650.25x = 68,371.47 × 31,546.38
  4. Step 4: Simplify right side
    45,650.25x = 2,156,872,373.78
  5. Step 5: Solve for x
    x = 2,156,872,373.78/45,650.25
  6. Step 6: Final answer
    x = 47,247.77

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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.