Home / 106,705.20-160,057.86-31,877.88

Finding the Fourth Proportional to 106,705.20, 160,057.86 and 31,877.88

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Solution

The fourth proportional to 106,705.20, 160,057.86 and 31,877.88 is: 47,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,705.20 : 160,057.86 = 31,877.88 : x
  2. Step 2: Convert to fraction form
    106,705.20/160,057.86 = 31,877.88/x
  3. Step 3: Cross multiply
    106,705.20x = 160,057.86 × 31,877.88
  4. Step 4: Simplify right side
    106,705.20x = 5,102,305,254.14
  5. Step 5: Solve for x
    x = 5,102,305,254.14/106,705.20
  6. Step 6: Final answer
    x = 47,816.84

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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.