Home / 77,243.82-115,909.56-41,704.66

Finding the Fourth Proportional to 77,243.82, 115,909.56 and 41,704.66

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Solution

The fourth proportional to 77,243.82, 115,909.56 and 41,704.66 is: 62,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,243.82 : 115,909.56 = 41,704.66 : x
  2. Step 2: Convert to fraction form
    77,243.82/115,909.56 = 41,704.66/x
  3. Step 3: Cross multiply
    77,243.82x = 115,909.56 × 41,704.66
  4. Step 4: Simplify right side
    77,243.82x = 4,833,968,582.03
  5. Step 5: Solve for x
    x = 4,833,968,582.03/77,243.82
  6. Step 6: Final answer
    x = 62,580.66

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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.