Home / 57,389.64-86,067.72-22,320.96

Finding the Fourth Proportional to 57,389.64, 86,067.72 and 22,320.96

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Solution

The fourth proportional to 57,389.64, 86,067.72 and 22,320.96 is: 33,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.64 : 86,067.72 = 22,320.96 : x
  2. Step 2: Convert to fraction form
    57,389.64/86,067.72 = 22,320.96/x
  3. Step 3: Cross multiply
    57,389.64x = 86,067.72 × 22,320.96
  4. Step 4: Simplify right side
    57,389.64x = 1,921,114,135.41
  5. Step 5: Solve for x
    x = 1,921,114,135.41/57,389.64
  6. Step 6: Final answer
    x = 33,474.93

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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.