Home / 55,843.28-77,067.36-34,636.64

Finding the Fourth Proportional to 55,843.28, 77,067.36 and 34,636.64

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Solution

The fourth proportional to 55,843.28, 77,067.36 and 34,636.64 is: 47,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.28 : 77,067.36 = 34,636.64 : x
  2. Step 2: Convert to fraction form
    55,843.28/77,067.36 = 34,636.64/x
  3. Step 3: Cross multiply
    55,843.28x = 77,067.36 × 34,636.64
  4. Step 4: Simplify right side
    55,843.28x = 2,669,354,404.07
  5. Step 5: Solve for x
    x = 2,669,354,404.07/55,843.28
  6. Step 6: Final answer
    x = 47,800.82

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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.