Home / 106,787.40-160,168.95-27,909.60

Finding the Fourth Proportional to 106,787.40, 160,168.95 and 27,909.60

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Solution

The fourth proportional to 106,787.40, 160,168.95 and 27,909.60 is: 41,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.40 : 160,168.95 = 27,909.60 : x
  2. Step 2: Convert to fraction form
    106,787.40/160,168.95 = 27,909.60/x
  3. Step 3: Cross multiply
    106,787.40x = 160,168.95 × 27,909.60
  4. Step 4: Simplify right side
    106,787.40x = 4,470,251,326.92
  5. Step 5: Solve for x
    x = 4,470,251,326.92/106,787.40
  6. Step 6: Final answer
    x = 41,861.22

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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.