Home / 54,957.35-75,842.80-31,083.55

Finding the Fourth Proportional to 54,957.35, 75,842.80 and 31,083.55

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Solution

The fourth proportional to 54,957.35, 75,842.80 and 31,083.55 is: 42,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957.35 : 75,842.80 = 31,083.55 : x
  2. Step 2: Convert to fraction form
    54,957.35/75,842.80 = 31,083.55/x
  3. Step 3: Cross multiply
    54,957.35x = 75,842.80 × 31,083.55
  4. Step 4: Simplify right side
    54,957.35x = 2,357,463,198.62
  5. Step 5: Solve for x
    x = 2,357,463,198.62/54,957.35
  6. Step 6: Final answer
    x = 42,896.23

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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.