Home / 106,669.72-160,010.73-40,110.43

Finding the Fourth Proportional to 106,669.72, 160,010.73 and 40,110.43

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Solution

The fourth proportional to 106,669.72, 160,010.73 and 40,110.43 is: 60,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,669.72 : 160,010.73 = 40,110.43 : x
  2. Step 2: Convert to fraction form
    106,669.72/160,010.73 = 40,110.43/x
  3. Step 3: Cross multiply
    106,669.72x = 160,010.73 × 40,110.43
  4. Step 4: Simplify right side
    106,669.72x = 6,418,099,009.70
  5. Step 5: Solve for x
    x = 6,418,099,009.70/106,669.72
  6. Step 6: Final answer
    x = 60,167.95

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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.