Home / 55,965.06-77,232.69-30,814.56

Finding the Fourth Proportional to 55,965.06, 77,232.69 and 30,814.56

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Solution

The fourth proportional to 55,965.06, 77,232.69 and 30,814.56 is: 42,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.06 : 77,232.69 = 30,814.56 : x
  2. Step 2: Convert to fraction form
    55,965.06/77,232.69 = 30,814.56/x
  3. Step 3: Cross multiply
    55,965.06x = 77,232.69 × 30,814.56
  4. Step 4: Simplify right side
    55,965.06x = 2,379,891,359.97
  5. Step 5: Solve for x
    x = 2,379,891,359.97/55,965.06
  6. Step 6: Final answer
    x = 42,524.59

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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.