Home / 107,696.96-161,614.56-52,262.72

Finding the Fourth Proportional to 107,696.96, 161,614.56 and 52,262.72

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Solution

The fourth proportional to 107,696.96, 161,614.56 and 52,262.72 is: 78,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,696.96 : 161,614.56 = 52,262.72 : x
  2. Step 2: Convert to fraction form
    107,696.96/161,614.56 = 52,262.72/x
  3. Step 3: Cross multiply
    107,696.96x = 161,614.56 × 52,262.72
  4. Step 4: Simplify right side
    107,696.96x = 8,446,416,497.20
  5. Step 5: Solve for x
    x = 8,446,416,497.20/107,696.96
  6. Step 6: Final answer
    x = 78,427.62

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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.