Home / 56,414.46-77,850.63-31,263.42

Finding the Fourth Proportional to 56,414.46, 77,850.63 and 31,263.42

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Solution

The fourth proportional to 56,414.46, 77,850.63 and 31,263.42 is: 43,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,414.46 : 77,850.63 = 31,263.42 : x
  2. Step 2: Convert to fraction form
    56,414.46/77,850.63 = 31,263.42/x
  3. Step 3: Cross multiply
    56,414.46x = 77,850.63 × 31,263.42
  4. Step 4: Simplify right side
    56,414.46x = 2,433,876,942.95
  5. Step 5: Solve for x
    x = 2,433,876,942.95/56,414.46
  6. Step 6: Final answer
    x = 43,142.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.