Home / 67,975.92-101,799.82-40,880.34

Finding the Fourth Proportional to 67,975.92, 101,799.82 and 40,880.34

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Solution

The fourth proportional to 67,975.92, 101,799.82 and 40,880.34 is: 61,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,975.92 : 101,799.82 = 40,880.34 : x
  2. Step 2: Convert to fraction form
    67,975.92/101,799.82 = 40,880.34/x
  3. Step 3: Cross multiply
    67,975.92x = 101,799.82 × 40,880.34
  4. Step 4: Simplify right side
    67,975.92x = 4,161,611,253.54
  5. Step 5: Solve for x
    x = 4,161,611,253.54/67,975.92
  6. Step 6: Final answer
    x = 61,221.85

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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.