Home / 68,943.30-103,502.45-58,620.66

Finding the Fourth Proportional to 68,943.30, 103,502.45 and 58,620.66

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Solution

The fourth proportional to 68,943.30, 103,502.45 and 58,620.66 is: 88,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,943.30 : 103,502.45 = 58,620.66 : x
  2. Step 2: Convert to fraction form
    68,943.30/103,502.45 = 58,620.66/x
  3. Step 3: Cross multiply
    68,943.30x = 103,502.45 × 58,620.66
  4. Step 4: Simplify right side
    68,943.30x = 6,067,381,930.62
  5. Step 5: Solve for x
    x = 6,067,381,930.62/68,943.30
  6. Step 6: Final answer
    x = 88,005.39

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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.