Home / 55,342.20-83,013.30-22,067.40

Finding the Fourth Proportional to 55,342.20, 83,013.30 and 22,067.40

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Solution

The fourth proportional to 55,342.20, 83,013.30 and 22,067.40 is: 33,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.20 : 83,013.30 = 22,067.40 : x
  2. Step 2: Convert to fraction form
    55,342.20/83,013.30 = 22,067.40/x
  3. Step 3: Cross multiply
    55,342.20x = 83,013.30 × 22,067.40
  4. Step 4: Simplify right side
    55,342.20x = 1,831,887,696.42
  5. Step 5: Solve for x
    x = 1,831,887,696.42/55,342.20
  6. Step 6: Final answer
    x = 33,101.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.