Home / 67,982.64-93,789.84-50,120.04

Finding the Fourth Proportional to 67,982.64, 93,789.84 and 50,120.04

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Solution

The fourth proportional to 67,982.64, 93,789.84 and 50,120.04 is: 69,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982.64 : 93,789.84 = 50,120.04 : x
  2. Step 2: Convert to fraction form
    67,982.64/93,789.84 = 50,120.04/x
  3. Step 3: Cross multiply
    67,982.64x = 93,789.84 × 50,120.04
  4. Step 4: Simplify right side
    67,982.64x = 4,700,750,532.39
  5. Step 5: Solve for x
    x = 4,700,750,532.39/67,982.64
  6. Step 6: Final answer
    x = 69,146.34

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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.