Home / 76,020.88-104,938.08-68,049.04

Finding the Fourth Proportional to 76,020.88, 104,938.08 and 68,049.04

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Solution

The fourth proportional to 76,020.88, 104,938.08 and 68,049.04 is: 93,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,020.88 : 104,938.08 = 68,049.04 : x
  2. Step 2: Convert to fraction form
    76,020.88/104,938.08 = 68,049.04/x
  3. Step 3: Cross multiply
    76,020.88x = 104,938.08 × 68,049.04
  4. Step 4: Simplify right side
    76,020.88x = 7,140,935,603.44
  5. Step 5: Solve for x
    x = 7,140,935,603.44/76,020.88
  6. Step 6: Final answer
    x = 93,933.87

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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.