Home / 48,453.74-72,789.96-28,745.27

Finding the Fourth Proportional to 48,453.74, 72,789.96 and 28,745.27

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Solution

The fourth proportional to 48,453.74, 72,789.96 and 28,745.27 is: 43,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,453.74 : 72,789.96 = 28,745.27 : x
  2. Step 2: Convert to fraction form
    48,453.74/72,789.96 = 28,745.27/x
  3. Step 3: Cross multiply
    48,453.74x = 72,789.96 × 28,745.27
  4. Step 4: Simplify right side
    48,453.74x = 2,092,367,053.49
  5. Step 5: Solve for x
    x = 2,092,367,053.49/48,453.74
  6. Step 6: Final answer
    x = 43,182.78

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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.