Home / 102,972.54-154,481.45-58,620.06

Finding the Fourth Proportional to 102,972.54, 154,481.45 and 58,620.06

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Solution

The fourth proportional to 102,972.54, 154,481.45 and 58,620.06 is: 87,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,972.54 : 154,481.45 = 58,620.06 : x
  2. Step 2: Convert to fraction form
    102,972.54/154,481.45 = 58,620.06/x
  3. Step 3: Cross multiply
    102,972.54x = 154,481.45 × 58,620.06
  4. Step 4: Simplify right side
    102,972.54x = 9,055,711,867.89
  5. Step 5: Solve for x
    x = 9,055,711,867.89/102,972.54
  6. Step 6: Final answer
    x = 87,942.98

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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.