Home / 99,828.84-137,819.16-68,044.44

Finding the Fourth Proportional to 99,828.84, 137,819.16 and 68,044.44

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Solution

The fourth proportional to 99,828.84, 137,819.16 and 68,044.44 is: 93,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828.84 : 137,819.16 = 68,044.44 : x
  2. Step 2: Convert to fraction form
    99,828.84/137,819.16 = 68,044.44/x
  3. Step 3: Cross multiply
    99,828.84x = 137,819.16 × 68,044.44
  4. Step 4: Simplify right side
    99,828.84x = 9,377,827,563.47
  5. Step 5: Solve for x
    x = 9,377,827,563.47/99,828.84
  6. Step 6: Final answer
    x = 93,939.06

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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.