Home / 55,824.72-77,042.40-31,958.88

Finding the Fourth Proportional to 55,824.72, 77,042.40 and 31,958.88

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Solution

The fourth proportional to 55,824.72, 77,042.40 and 31,958.88 is: 44,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,824.72 : 77,042.40 = 31,958.88 : x
  2. Step 2: Convert to fraction form
    55,824.72/77,042.40 = 31,958.88/x
  3. Step 3: Cross multiply
    55,824.72x = 77,042.40 × 31,958.88
  4. Step 4: Simplify right side
    55,824.72x = 2,462,188,816.51
  5. Step 5: Solve for x
    x = 2,462,188,816.51/55,824.72
  6. Step 6: Final answer
    x = 44,105.71

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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.