Home / 104,495.61-144,226.92-68,688.96

Finding the Fourth Proportional to 104,495.61, 144,226.92 and 68,688.96

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Solution

The fourth proportional to 104,495.61, 144,226.92 and 68,688.96 is: 94,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495.61 : 144,226.92 = 68,688.96 : x
  2. Step 2: Convert to fraction form
    104,495.61/144,226.92 = 68,688.96/x
  3. Step 3: Cross multiply
    104,495.61x = 144,226.92 × 68,688.96
  4. Step 4: Simplify right side
    104,495.61x = 9,906,797,138.80
  5. Step 5: Solve for x
    x = 9,906,797,138.80/104,495.61
  6. Step 6: Final answer
    x = 94,805.87

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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.