Home / 101,629.21-152,382.24-45,458.85

Finding the Fourth Proportional to 101,629.21, 152,382.24 and 45,458.85

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Solution

The fourth proportional to 101,629.21, 152,382.24 and 45,458.85 is: 68,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,629.21 : 152,382.24 = 45,458.85 : x
  2. Step 2: Convert to fraction form
    101,629.21/152,382.24 = 45,458.85/x
  3. Step 3: Cross multiply
    101,629.21x = 152,382.24 × 45,458.85
  4. Step 4: Simplify right side
    101,629.21x = 6,927,121,390.82
  5. Step 5: Solve for x
    x = 6,927,121,390.82/101,629.21
  6. Step 6: Final answer
    x = 68,160.73

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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.