Home / 106,650.72-159,959.64-35,574.60

Finding the Fourth Proportional to 106,650.72, 159,959.64 and 35,574.60

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Solution

The fourth proportional to 106,650.72, 159,959.64 and 35,574.60 is: 53,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,650.72 : 159,959.64 = 35,574.60 : x
  2. Step 2: Convert to fraction form
    106,650.72/159,959.64 = 35,574.60/x
  3. Step 3: Cross multiply
    106,650.72x = 159,959.64 × 35,574.60
  4. Step 4: Simplify right side
    106,650.72x = 5,690,500,209.14
  5. Step 5: Solve for x
    x = 5,690,500,209.14/106,650.72
  6. Step 6: Final answer
    x = 53,356.42

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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.