Home / 55,961.82-77,227.83-30,812.22

Finding the Fourth Proportional to 55,961.82, 77,227.83 and 30,812.22

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Solution

The fourth proportional to 55,961.82, 77,227.83 and 30,812.22 is: 42,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.82 : 77,227.83 = 30,812.22 : x
  2. Step 2: Convert to fraction form
    55,961.82/77,227.83 = 30,812.22/x
  3. Step 3: Cross multiply
    55,961.82x = 77,227.83 × 30,812.22
  4. Step 4: Simplify right side
    55,961.82x = 2,379,560,888.08
  5. Step 5: Solve for x
    x = 2,379,560,888.08/55,961.82
  6. Step 6: Final answer
    x = 42,521.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.