Home / 106,913.78-160,406.30-35,843.45

Finding the Fourth Proportional to 106,913.78, 160,406.30 and 35,843.45

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Solution

The fourth proportional to 106,913.78, 160,406.30 and 35,843.45 is: 53,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,913.78 : 160,406.30 = 35,843.45 : x
  2. Step 2: Convert to fraction form
    106,913.78/160,406.30 = 35,843.45/x
  3. Step 3: Cross multiply
    106,913.78x = 160,406.30 × 35,843.45
  4. Step 4: Simplify right side
    106,913.78x = 5,749,514,212.49
  5. Step 5: Solve for x
    x = 5,749,514,212.49/106,913.78
  6. Step 6: Final answer
    x = 53,777.11

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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.