Home / 55,218.33-76,198.59-31,344.66

Finding the Fourth Proportional to 55,218.33, 76,198.59 and 31,344.66

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Solution

The fourth proportional to 55,218.33, 76,198.59 and 31,344.66 is: 43,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.33 : 76,198.59 = 31,344.66 : x
  2. Step 2: Convert to fraction form
    55,218.33/76,198.59 = 31,344.66/x
  3. Step 3: Cross multiply
    55,218.33x = 76,198.59 × 31,344.66
  4. Step 4: Simplify right side
    55,218.33x = 2,388,418,896.03
  5. Step 5: Solve for x
    x = 2,388,418,896.03/55,218.33
  6. Step 6: Final answer
    x = 43,254.10

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1.5x scale

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.