Home / 99,753.27-149,628.42-46,415.38

Finding the Fourth Proportional to 99,753.27, 149,628.42 and 46,415.38

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Solution

The fourth proportional to 99,753.27, 149,628.42 and 46,415.38 is: 69,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,753.27 : 149,628.42 = 46,415.38 : x
  2. Step 2: Convert to fraction form
    99,753.27/149,628.42 = 46,415.38/x
  3. Step 3: Cross multiply
    99,753.27x = 149,628.42 × 46,415.38
  4. Step 4: Simplify right side
    99,753.27x = 6,945,058,992.88
  5. Step 5: Solve for x
    x = 6,945,058,992.88/99,753.27
  6. Step 6: Final answer
    x = 69,622.37

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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.