Home / 70,787.12-106,195.86-23,399.69

Finding the Fourth Proportional to 70,787.12, 106,195.86 and 23,399.69

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Solution

The fourth proportional to 70,787.12, 106,195.86 and 23,399.69 is: 35,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,787.12 : 106,195.86 = 23,399.69 : x
  2. Step 2: Convert to fraction form
    70,787.12/106,195.86 = 23,399.69/x
  3. Step 3: Cross multiply
    70,787.12x = 106,195.86 × 23,399.69
  4. Step 4: Simplify right side
    70,787.12x = 2,484,949,672.30
  5. Step 5: Solve for x
    x = 2,484,949,672.30/70,787.12
  6. Step 6: Final answer
    x = 35,104.55

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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.