Home / 54,053.82-74,582.28-31,379.76

Finding the Fourth Proportional to 54,053.82, 74,582.28 and 31,379.76

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Solution

The fourth proportional to 54,053.82, 74,582.28 and 31,379.76 is: 43,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.82 : 74,582.28 = 31,379.76 : x
  2. Step 2: Convert to fraction form
    54,053.82/74,582.28 = 31,379.76/x
  3. Step 3: Cross multiply
    54,053.82x = 74,582.28 × 31,379.76
  4. Step 4: Simplify right side
    54,053.82x = 2,340,374,046.65
  5. Step 5: Solve for x
    x = 2,340,374,046.65/54,053.82
  6. Step 6: Final answer
    x = 43,297.11

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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.