Home / 253,055.88-379,583.82-66,067.38

Finding the Fourth Proportional to 253,055.88, 379,583.82 and 66,067.38

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Solution

The fourth proportional to 253,055.88, 379,583.82 and 66,067.38 is: 99,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,055.88 : 379,583.82 = 66,067.38 : x
  2. Step 2: Convert to fraction form
    253,055.88/379,583.82 = 66,067.38/x
  3. Step 3: Cross multiply
    253,055.88x = 379,583.82 × 66,067.38
  4. Step 4: Simplify right side
    253,055.88x = 25,078,108,477.79
  5. Step 5: Solve for x
    x = 25,078,108,477.79/253,055.88
  6. Step 6: Final answer
    x = 99,101.07

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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.