Home / 49,911.07-68,908.36-31,772.03

Finding the Fourth Proportional to 49,911.07, 68,908.36 and 31,772.03

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Solution

The fourth proportional to 49,911.07, 68,908.36 and 31,772.03 is: 43,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.07 : 68,908.36 = 31,772.03 : x
  2. Step 2: Convert to fraction form
    49,911.07/68,908.36 = 31,772.03/x
  3. Step 3: Cross multiply
    49,911.07x = 68,908.36 × 31,772.03
  4. Step 4: Simplify right side
    49,911.07x = 2,189,358,057.20
  5. Step 5: Solve for x
    x = 2,189,358,057.20/49,911.07
  6. Step 6: Final answer
    x = 43,865.18

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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.