Home / 49,724.52-68,628.36-31,818.66

Finding the Fourth Proportional to 49,724.52, 68,628.36 and 31,818.66

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Solution

The fourth proportional to 49,724.52, 68,628.36 and 31,818.66 is: 43,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,724.52 : 68,628.36 = 31,818.66 : x
  2. Step 2: Convert to fraction form
    49,724.52/68,628.36 = 31,818.66/x
  3. Step 3: Cross multiply
    49,724.52x = 68,628.36 × 31,818.66
  4. Step 4: Simplify right side
    49,724.52x = 2,183,662,453.20
  5. Step 5: Solve for x
    x = 2,183,662,453.20/49,724.52
  6. Step 6: Final answer
    x = 43,915.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.