Home / 55,912.28-77,126.18-35,761.80

Finding the Fourth Proportional to 55,912.28, 77,126.18 and 35,761.80

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Solution

The fourth proportional to 55,912.28, 77,126.18 and 35,761.80 is: 49,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,912.28 : 77,126.18 = 35,761.80 : x
  2. Step 2: Convert to fraction form
    55,912.28/77,126.18 = 35,761.80/x
  3. Step 3: Cross multiply
    55,912.28x = 77,126.18 × 35,761.80
  4. Step 4: Simplify right side
    55,912.28x = 2,758,171,134.34
  5. Step 5: Solve for x
    x = 2,758,171,134.34/55,912.28
  6. Step 6: Final answer
    x = 49,330.33

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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.