Home / 110,686.32-166,028.94-51,489.36

Finding the Fourth Proportional to 110,686.32, 166,028.94 and 51,489.36

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Solution

The fourth proportional to 110,686.32, 166,028.94 and 51,489.36 is: 77,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,686.32 : 166,028.94 = 51,489.36 : x
  2. Step 2: Convert to fraction form
    110,686.32/166,028.94 = 51,489.36/x
  3. Step 3: Cross multiply
    110,686.32x = 166,028.94 × 51,489.36
  4. Step 4: Simplify right side
    110,686.32x = 8,548,723,862.08
  5. Step 5: Solve for x
    x = 8,548,723,862.08/110,686.32
  6. Step 6: Final answer
    x = 77,233.79

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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.