Home / 55,982.08-77,256-30,833.44

Finding the Fourth Proportional to 55,982.08, 77,256 and 30,833.44

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Solution

The fourth proportional to 55,982.08, 77,256 and 30,833.44 is: 42,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982.08 : 77,256 = 30,833.44 : x
  2. Step 2: Convert to fraction form
    55,982.08/77,256 = 30,833.44/x
  3. Step 3: Cross multiply
    55,982.08x = 77,256 × 30,833.44
  4. Step 4: Simplify right side
    55,982.08x = 2,382,068,240.64
  5. Step 5: Solve for x
    x = 2,382,068,240.64/55,982.08
  6. Step 6: Final answer
    x = 42,550.55

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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.