Home / 56,914.13-85,375.32-21,853.78

Finding the Fourth Proportional to 56,914.13, 85,375.32 and 21,853.78

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Solution

The fourth proportional to 56,914.13, 85,375.32 and 21,853.78 is: 32,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,914.13 : 85,375.32 = 21,853.78 : x
  2. Step 2: Convert to fraction form
    56,914.13/85,375.32 = 21,853.78/x
  3. Step 3: Cross multiply
    56,914.13x = 85,375.32 × 21,853.78
  4. Step 4: Simplify right side
    56,914.13x = 1,865,773,645.56
  5. Step 5: Solve for x
    x = 1,865,773,645.56/56,914.13
  6. Step 6: Final answer
    x = 32,782.26

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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.