Home / 68,490.52-102,743.97-29,042.50

Finding the Fourth Proportional to 68,490.52, 102,743.97 and 29,042.50

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Solution

The fourth proportional to 68,490.52, 102,743.97 and 29,042.50 is: 43,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,490.52 : 102,743.97 = 29,042.50 : x
  2. Step 2: Convert to fraction form
    68,490.52/102,743.97 = 29,042.50/x
  3. Step 3: Cross multiply
    68,490.52x = 102,743.97 × 29,042.50
  4. Step 4: Simplify right side
    68,490.52x = 2,983,941,748.73
  5. Step 5: Solve for x
    x = 2,983,941,748.73/68,490.52
  6. Step 6: Final answer
    x = 43,567.22

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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.