Home / 56,764.23-85,145.43-19,350.36

Finding the Fourth Proportional to 56,764.23, 85,145.43 and 19,350.36

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Solution

The fourth proportional to 56,764.23, 85,145.43 and 19,350.36 is: 29,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.23 : 85,145.43 = 19,350.36 : x
  2. Step 2: Convert to fraction form
    56,764.23/85,145.43 = 19,350.36/x
  3. Step 3: Cross multiply
    56,764.23x = 85,145.43 × 19,350.36
  4. Step 4: Simplify right side
    56,764.23x = 1,647,594,722.85
  5. Step 5: Solve for x
    x = 1,647,594,722.85/56,764.23
  6. Step 6: Final answer
    x = 29,025.23

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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.