Home / 56,524.96-84,789.25-28,429.68

Finding the Fourth Proportional to 56,524.96, 84,789.25 and 28,429.68

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Solution

The fourth proportional to 56,524.96, 84,789.25 and 28,429.68 is: 42,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,524.96 : 84,789.25 = 28,429.68 : x
  2. Step 2: Convert to fraction form
    56,524.96/84,789.25 = 28,429.68/x
  3. Step 3: Cross multiply
    56,524.96x = 84,789.25 × 28,429.68
  4. Step 4: Simplify right side
    56,524.96x = 2,410,531,102.79
  5. Step 5: Solve for x
    x = 2,410,531,102.79/56,524.96
  6. Step 6: Final answer
    x = 42,645.43

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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.