Home / 54,921.19-75,791.28-29,770.69

Finding the Fourth Proportional to 54,921.19, 75,791.28 and 29,770.69

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Solution

The fourth proportional to 54,921.19, 75,791.28 and 29,770.69 is: 41,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.19 : 75,791.28 = 29,770.69 : x
  2. Step 2: Convert to fraction form
    54,921.19/75,791.28 = 29,770.69/x
  3. Step 3: Cross multiply
    54,921.19x = 75,791.28 × 29,770.69
  4. Step 4: Simplify right side
    54,921.19x = 2,256,358,701.58
  5. Step 5: Solve for x
    x = 2,256,358,701.58/54,921.19
  6. Step 6: Final answer
    x = 41,083.57

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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.