Home / 57,963.85-80,399.35-56,427.49

Finding the Fourth Proportional to 57,963.85, 80,399.35 and 56,427.49

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Solution

The fourth proportional to 57,963.85, 80,399.35 and 56,427.49 is: 78,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.85 : 80,399.35 = 56,427.49 : x
  2. Step 2: Convert to fraction form
    57,963.85/80,399.35 = 56,427.49/x
  3. Step 3: Cross multiply
    57,963.85x = 80,399.35 × 56,427.49
  4. Step 4: Simplify right side
    57,963.85x = 4,536,733,257.20
  5. Step 5: Solve for x
    x = 4,536,733,257.20/57,963.85
  6. Step 6: Final answer
    x = 78,268.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.