Home / 55,739.91-76,916-33,075

Finding the Fourth Proportional to 55,739.91, 76,916 and 33,075

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Solution

The fourth proportional to 55,739.91, 76,916 and 33,075 is: 45,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,739.91 : 76,916 = 33,075 : x
  2. Step 2: Convert to fraction form
    55,739.91/76,916 = 33,075/x
  3. Step 3: Cross multiply
    55,739.91x = 76,916 × 33,075
  4. Step 4: Simplify right side
    55,739.91x = 2,543,996,700
  5. Step 5: Solve for x
    x = 2,543,996,700/55,739.91
  6. Step 6: Final answer
    x = 45,640.49

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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.