Home / 106,799.60-160,007.40-51,273.20

Finding the Fourth Proportional to 106,799.60, 160,007.40 and 51,273.20

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Solution

The fourth proportional to 106,799.60, 160,007.40 and 51,273.20 is: 76,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,799.60 : 160,007.40 = 51,273.20 : x
  2. Step 2: Convert to fraction form
    106,799.60/160,007.40 = 51,273.20/x
  3. Step 3: Cross multiply
    106,799.60x = 160,007.40 × 51,273.20
  4. Step 4: Simplify right side
    106,799.60x = 8,204,091,421.68
  5. Step 5: Solve for x
    x = 8,204,091,421.68/106,799.60
  6. Step 6: Final answer
    x = 76,817.62

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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.