Home / 106,781.44-160,210.30-47,611.84

Finding the Fourth Proportional to 106,781.44, 160,210.30 and 47,611.84

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Solution

The fourth proportional to 106,781.44, 160,210.30 and 47,611.84 is: 71,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781.44 : 160,210.30 = 47,611.84 : x
  2. Step 2: Convert to fraction form
    106,781.44/160,210.30 = 47,611.84/x
  3. Step 3: Cross multiply
    106,781.44x = 160,210.30 × 47,611.84
  4. Step 4: Simplify right side
    106,781.44x = 7,627,907,169.95
  5. Step 5: Solve for x
    x = 7,627,907,169.95/106,781.44
  6. Step 6: Final answer
    x = 71,434.77

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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.