Home / 77,221.24-115,906.76-37,268.34

Finding the Fourth Proportional to 77,221.24, 115,906.76 and 37,268.34

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Solution

The fourth proportional to 77,221.24, 115,906.76 and 37,268.34 is: 55,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,221.24 : 115,906.76 = 37,268.34 : x
  2. Step 2: Convert to fraction form
    77,221.24/115,906.76 = 37,268.34/x
  3. Step 3: Cross multiply
    77,221.24x = 115,906.76 × 37,268.34
  4. Step 4: Simplify right side
    77,221.24x = 4,319,652,539.98
  5. Step 5: Solve for x
    x = 4,319,652,539.98/77,221.24
  6. Step 6: Final answer
    x = 55,938.66

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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.