Home / 54,270.66-74,891.30-31,610.36

Finding the Fourth Proportional to 54,270.66, 74,891.30 and 31,610.36

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Solution

The fourth proportional to 54,270.66, 74,891.30 and 31,610.36 is: 43,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.66 : 74,891.30 = 31,610.36 : x
  2. Step 2: Convert to fraction form
    54,270.66/74,891.30 = 31,610.36/x
  3. Step 3: Cross multiply
    54,270.66x = 74,891.30 × 31,610.36
  4. Step 4: Simplify right side
    54,270.66x = 2,367,340,953.87
  5. Step 5: Solve for x
    x = 2,367,340,953.87/54,270.66
  6. Step 6: Final answer
    x = 43,621.01

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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.