Home / 98,813.13-148,193.33-27,731.58

Finding the Fourth Proportional to 98,813.13, 148,193.33 and 27,731.58

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Solution

The fourth proportional to 98,813.13, 148,193.33 and 27,731.58 is: 41,589.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,813.13 : 148,193.33 = 27,731.58 : x
  2. Step 2: Convert to fraction form
    98,813.13/148,193.33 = 27,731.58/x
  3. Step 3: Cross multiply
    98,813.13x = 148,193.33 × 27,731.58
  4. Step 4: Simplify right side
    98,813.13x = 4,109,635,047.70
  5. Step 5: Solve for x
    x = 4,109,635,047.70/98,813.13
  6. Step 6: Final answer
    x = 41,589.97

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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.