Home / 54,556.28-75,276.37-31,890.89

Finding the Fourth Proportional to 54,556.28, 75,276.37 and 31,890.89

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Solution

The fourth proportional to 54,556.28, 75,276.37 and 31,890.89 is: 44,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.28 : 75,276.37 = 31,890.89 : x
  2. Step 2: Convert to fraction form
    54,556.28/75,276.37 = 31,890.89/x
  3. Step 3: Cross multiply
    54,556.28x = 75,276.37 × 31,890.89
  4. Step 4: Simplify right side
    54,556.28x = 2,400,629,899.43
  5. Step 5: Solve for x
    x = 2,400,629,899.43/54,556.28
  6. Step 6: Final answer
    x = 44,002.82

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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.