Home / 55,151.35-82,103.27-54,823.30

Finding the Fourth Proportional to 55,151.35, 82,103.27 and 54,823.30

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Solution

The fourth proportional to 55,151.35, 82,103.27 and 54,823.30 is: 81,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,151.35 : 82,103.27 = 54,823.30 : x
  2. Step 2: Convert to fraction form
    55,151.35/82,103.27 = 54,823.30/x
  3. Step 3: Cross multiply
    55,151.35x = 82,103.27 × 54,823.30
  4. Step 4: Simplify right side
    55,151.35x = 4,501,172,202.19
  5. Step 5: Solve for x
    x = 4,501,172,202.19/55,151.35
  6. Step 6: Final answer
    x = 81,614.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.