Home / 106,049.20-146,346.32-57,649.52

Finding the Fourth Proportional to 106,049.20, 146,346.32 and 57,649.52

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Solution

The fourth proportional to 106,049.20, 146,346.32 and 57,649.52 is: 79,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,049.20 : 146,346.32 = 57,649.52 : x
  2. Step 2: Convert to fraction form
    106,049.20/146,346.32 = 57,649.52/x
  3. Step 3: Cross multiply
    106,049.20x = 146,346.32 × 57,649.52
  4. Step 4: Simplify right side
    106,049.20x = 8,436,795,101.77
  5. Step 5: Solve for x
    x = 8,436,795,101.77/106,049.20
  6. Step 6: Final answer
    x = 79,555.48

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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.