Home / 98,007.36-146,997.19-31,438.82

Finding the Fourth Proportional to 98,007.36, 146,997.19 and 31,438.82

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Solution

The fourth proportional to 98,007.36, 146,997.19 and 31,438.82 is: 47,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,007.36 : 146,997.19 = 31,438.82 : x
  2. Step 2: Convert to fraction form
    98,007.36/146,997.19 = 31,438.82/x
  3. Step 3: Cross multiply
    98,007.36x = 146,997.19 × 31,438.82
  4. Step 4: Simplify right side
    98,007.36x = 4,621,418,196.92
  5. Step 5: Solve for x
    x = 4,621,418,196.92/98,007.36
  6. Step 6: Final answer
    x = 47,153.79

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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.