Home / 55,371.36-82,590.24-53,711.28

Finding the Fourth Proportional to 55,371.36, 82,590.24 and 53,711.28

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Solution

The fourth proportional to 55,371.36, 82,590.24 and 53,711.28 is: 80,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.36 : 82,590.24 = 53,711.28 : x
  2. Step 2: Convert to fraction form
    55,371.36/82,590.24 = 53,711.28/x
  3. Step 3: Cross multiply
    55,371.36x = 82,590.24 × 53,711.28
  4. Step 4: Simplify right side
    55,371.36x = 4,436,027,505.91
  5. Step 5: Solve for x
    x = 4,436,027,505.91/55,371.36
  6. Step 6: Final answer
    x = 80,114.12

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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.