Home / 106,647.30-159,872.06-40,131.52

Finding the Fourth Proportional to 106,647.30, 159,872.06 and 40,131.52

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Solution

The fourth proportional to 106,647.30, 159,872.06 and 40,131.52 is: 60,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,647.30 : 159,872.06 = 40,131.52 : x
  2. Step 2: Convert to fraction form
    106,647.30/159,872.06 = 40,131.52/x
  3. Step 3: Cross multiply
    106,647.30x = 159,872.06 × 40,131.52
  4. Step 4: Simplify right side
    106,647.30x = 6,415,908,773.33
  5. Step 5: Solve for x
    x = 6,415,908,773.33/106,647.30
  6. Step 6: Final answer
    x = 60,160.07

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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.