Home / 48,987.96-73,429.90-31,162.54

Finding the Fourth Proportional to 48,987.96, 73,429.90 and 31,162.54

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Solution

The fourth proportional to 48,987.96, 73,429.90 and 31,162.54 is: 46,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987.96 : 73,429.90 = 31,162.54 : x
  2. Step 2: Convert to fraction form
    48,987.96/73,429.90 = 31,162.54/x
  3. Step 3: Cross multiply
    48,987.96x = 73,429.90 × 31,162.54
  4. Step 4: Simplify right side
    48,987.96x = 2,288,262,195.95
  5. Step 5: Solve for x
    x = 2,288,262,195.95/48,987.96
  6. Step 6: Final answer
    x = 46,710.71

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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.