Home / 70,836.15-106,179.30-23,439

Finding the Fourth Proportional to 70,836.15, 106,179.30 and 23,439

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Solution

The fourth proportional to 70,836.15, 106,179.30 and 23,439 is: 35,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,836.15 : 106,179.30 = 23,439 : x
  2. Step 2: Convert to fraction form
    70,836.15/106,179.30 = 23,439/x
  3. Step 3: Cross multiply
    70,836.15x = 106,179.30 × 23,439
  4. Step 4: Simplify right side
    70,836.15x = 2,488,736,612.70
  5. Step 5: Solve for x
    x = 2,488,736,612.70/70,836.15
  6. Step 6: Final answer
    x = 35,133.71

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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.