Home / 98,932.73-148,388.13-28,812.06

Finding the Fourth Proportional to 98,932.73, 148,388.13 and 28,812.06

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Solution

The fourth proportional to 98,932.73, 148,388.13 and 28,812.06 is: 43,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.73 : 148,388.13 = 28,812.06 : x
  2. Step 2: Convert to fraction form
    98,932.73/148,388.13 = 28,812.06/x
  3. Step 3: Cross multiply
    98,932.73x = 148,388.13 × 28,812.06
  4. Step 4: Simplify right side
    98,932.73x = 4,275,367,704.85
  5. Step 5: Solve for x
    x = 4,275,367,704.85/98,932.73
  6. Step 6: Final answer
    x = 43,214.90

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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.