Home / 107,442.83-161,234.18-40,883.51

Finding the Fourth Proportional to 107,442.83, 161,234.18 and 40,883.51

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Solution

The fourth proportional to 107,442.83, 161,234.18 and 40,883.51 is: 61,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,442.83 : 161,234.18 = 40,883.51 : x
  2. Step 2: Convert to fraction form
    107,442.83/161,234.18 = 40,883.51/x
  3. Step 3: Cross multiply
    107,442.83x = 161,234.18 × 40,883.51
  4. Step 4: Simplify right side
    107,442.83x = 6,591,819,005.95
  5. Step 5: Solve for x
    x = 6,591,819,005.95/107,442.83
  6. Step 6: Final answer
    x = 61,351.87

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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.