Home / 42,194.70-63,236.68-31,049.20

Finding the Fourth Proportional to 42,194.70, 63,236.68 and 31,049.20

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Solution

The fourth proportional to 42,194.70, 63,236.68 and 31,049.20 is: 46,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,194.70 : 63,236.68 = 31,049.20 : x
  2. Step 2: Convert to fraction form
    42,194.70/63,236.68 = 31,049.20/x
  3. Step 3: Cross multiply
    42,194.70x = 63,236.68 × 31,049.20
  4. Step 4: Simplify right side
    42,194.70x = 1,963,448,324.66
  5. Step 5: Solve for x
    x = 1,963,448,324.66/42,194.70
  6. Step 6: Final answer
    x = 46,533.06

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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.