Home / 53,458.08-80,249.19-31,287.36

Finding the Fourth Proportional to 53,458.08, 80,249.19 and 31,287.36

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Solution

The fourth proportional to 53,458.08, 80,249.19 and 31,287.36 is: 46,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,458.08 : 80,249.19 = 31,287.36 : x
  2. Step 2: Convert to fraction form
    53,458.08/80,249.19 = 31,287.36/x
  3. Step 3: Cross multiply
    53,458.08x = 80,249.19 × 31,287.36
  4. Step 4: Simplify right side
    53,458.08x = 2,510,785,297.24
  5. Step 5: Solve for x
    x = 2,510,785,297.24/53,458.08
  6. Step 6: Final answer
    x = 46,967.37

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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.