Home / 54,976.14-75,862.86-31,104.33

Finding the Fourth Proportional to 54,976.14, 75,862.86 and 31,104.33

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Solution

The fourth proportional to 54,976.14, 75,862.86 and 31,104.33 is: 42,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,976.14 : 75,862.86 = 31,104.33 : x
  2. Step 2: Convert to fraction form
    54,976.14/75,862.86 = 31,104.33/x
  3. Step 3: Cross multiply
    54,976.14x = 75,862.86 × 31,104.33
  4. Step 4: Simplify right side
    54,976.14x = 2,359,663,432.18
  5. Step 5: Solve for x
    x = 2,359,663,432.18/54,976.14
  6. Step 6: Final answer
    x = 42,921.59

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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.