Home / 50,736.78-70,036.38-45,422.37

Finding the Fourth Proportional to 50,736.78, 70,036.38 and 45,422.37

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Solution

The fourth proportional to 50,736.78, 70,036.38 and 45,422.37 is: 62,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,736.78 : 70,036.38 = 45,422.37 : x
  2. Step 2: Convert to fraction form
    50,736.78/70,036.38 = 45,422.37/x
  3. Step 3: Cross multiply
    50,736.78x = 70,036.38 × 45,422.37
  4. Step 4: Simplify right side
    50,736.78x = 3,181,218,365.82
  5. Step 5: Solve for x
    x = 3,181,218,365.82/50,736.78
  6. Step 6: Final answer
    x = 62,700.44

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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.