Home / 107,443.14-161,234.65-40,883.82

Finding the Fourth Proportional to 107,443.14, 161,234.65 and 40,883.82

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Solution

The fourth proportional to 107,443.14, 161,234.65 and 40,883.82 is: 61,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,443.14 : 161,234.65 = 40,883.82 : x
  2. Step 2: Convert to fraction form
    107,443.14/161,234.65 = 40,883.82/x
  3. Step 3: Cross multiply
    107,443.14x = 161,234.65 × 40,883.82
  4. Step 4: Simplify right side
    107,443.14x = 6,591,888,709.24
  5. Step 5: Solve for x
    x = 6,591,888,709.24/107,443.14
  6. Step 6: Final answer
    x = 61,352.34

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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.