Home / 102,791.31-154,326.85-57,844.42

Finding the Fourth Proportional to 102,791.31, 154,326.85 and 57,844.42

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Solution

The fourth proportional to 102,791.31, 154,326.85 and 57,844.42 is: 86,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,791.31 : 154,326.85 = 57,844.42 : x
  2. Step 2: Convert to fraction form
    102,791.31/154,326.85 = 57,844.42/x
  3. Step 3: Cross multiply
    102,791.31x = 154,326.85 × 57,844.42
  4. Step 4: Simplify right side
    102,791.31x = 8,926,946,839.45
  5. Step 5: Solve for x
    x = 8,926,946,839.45/102,791.31
  6. Step 6: Final answer
    x = 86,845.35

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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.