Home / 106,021.73-146,311.11-57,623.67

Finding the Fourth Proportional to 106,021.73, 146,311.11 and 57,623.67

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Solution

The fourth proportional to 106,021.73, 146,311.11 and 57,623.67 is: 79,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.73 : 146,311.11 = 57,623.67 : x
  2. Step 2: Convert to fraction form
    106,021.73/146,311.11 = 57,623.67/x
  3. Step 3: Cross multiply
    106,021.73x = 146,311.11 × 57,623.67
  4. Step 4: Simplify right side
    106,021.73x = 8,430,983,119.97
  5. Step 5: Solve for x
    x = 8,430,983,119.97/106,021.73
  6. Step 6: Final answer
    x = 79,521.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.