Home / 98,006.73-146,996.25-31,438.22

Finding the Fourth Proportional to 98,006.73, 146,996.25 and 31,438.22

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Solution

The fourth proportional to 98,006.73, 146,996.25 and 31,438.22 is: 47,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,006.73 : 146,996.25 = 31,438.22 : x
  2. Step 2: Convert to fraction form
    98,006.73/146,996.25 = 31,438.22/x
  3. Step 3: Cross multiply
    98,006.73x = 146,996.25 × 31,438.22
  4. Step 4: Simplify right side
    98,006.73x = 4,621,299,711.69
  5. Step 5: Solve for x
    x = 4,621,299,711.69/98,006.73
  6. Step 6: Final answer
    x = 47,152.88

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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.