Home / 67,824.76-101,758.32-40,836.69

Finding the Fourth Proportional to 67,824.76, 101,758.32 and 40,836.69

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Solution

The fourth proportional to 67,824.76, 101,758.32 and 40,836.69 is: 61,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,824.76 : 101,758.32 = 40,836.69 : x
  2. Step 2: Convert to fraction form
    67,824.76/101,758.32 = 40,836.69/x
  3. Step 3: Cross multiply
    67,824.76x = 101,758.32 × 40,836.69
  4. Step 4: Simplify right side
    67,824.76x = 4,155,472,968.76
  5. Step 5: Solve for x
    x = 4,155,472,968.76/67,824.76
  6. Step 6: Final answer
    x = 61,267.79

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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.