Home / 57,198.52-85,702.94-40,475.66

Finding the Fourth Proportional to 57,198.52, 85,702.94 and 40,475.66

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Solution

The fourth proportional to 57,198.52, 85,702.94 and 40,475.66 is: 60,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,198.52 : 85,702.94 = 40,475.66 : x
  2. Step 2: Convert to fraction form
    57,198.52/85,702.94 = 40,475.66/x
  3. Step 3: Cross multiply
    57,198.52x = 85,702.94 × 40,475.66
  4. Step 4: Simplify right side
    57,198.52x = 3,468,883,060.44
  5. Step 5: Solve for x
    x = 3,468,883,060.44/57,198.52
  6. Step 6: Final answer
    x = 60,646.38

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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.