Home / 55,107.56-76,045.22-29,956.84

Finding the Fourth Proportional to 55,107.56, 76,045.22 and 29,956.84

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Solution

The fourth proportional to 55,107.56, 76,045.22 and 29,956.84 is: 41,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.56 : 76,045.22 = 29,956.84 : x
  2. Step 2: Convert to fraction form
    55,107.56/76,045.22 = 29,956.84/x
  3. Step 3: Cross multiply
    55,107.56x = 76,045.22 × 29,956.84
  4. Step 4: Simplify right side
    55,107.56x = 2,278,074,488.30
  5. Step 5: Solve for x
    x = 2,278,074,488.30/55,107.56
  6. Step 6: Final answer
    x = 41,338.69

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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.