Home / 111,015.50-166,577.92-51,842.57

Finding the Fourth Proportional to 111,015.50, 166,577.92 and 51,842.57

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Solution

The fourth proportional to 111,015.50, 166,577.92 and 51,842.57 is: 77,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.50 : 166,577.92 = 51,842.57 : x
  2. Step 2: Convert to fraction form
    111,015.50/166,577.92 = 51,842.57/x
  3. Step 3: Cross multiply
    111,015.50x = 166,577.92 × 51,842.57
  4. Step 4: Simplify right side
    111,015.50x = 8,635,827,478.05
  5. Step 5: Solve for x
    x = 8,635,827,478.05/111,015.50
  6. Step 6: Final answer
    x = 77,789.39

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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.