Home / 106,942.32-160,421.76-35,865.36

Finding the Fourth Proportional to 106,942.32, 160,421.76 and 35,865.36

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Solution

The fourth proportional to 106,942.32, 160,421.76 and 35,865.36 is: 53,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,942.32 : 160,421.76 = 35,865.36 : x
  2. Step 2: Convert to fraction form
    106,942.32/160,421.76 = 35,865.36/x
  3. Step 3: Cross multiply
    106,942.32x = 160,421.76 × 35,865.36
  4. Step 4: Simplify right side
    106,942.32x = 5,753,584,174.23
  5. Step 5: Solve for x
    x = 5,753,584,174.23/106,942.32
  6. Step 6: Final answer
    x = 53,800.82

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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.