Home / 109,911.09-151,677.33-62,163.42

Finding the Fourth Proportional to 109,911.09, 151,677.33 and 62,163.42

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Solution

The fourth proportional to 109,911.09, 151,677.33 and 62,163.42 is: 85,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,911.09 : 151,677.33 = 62,163.42 : x
  2. Step 2: Convert to fraction form
    109,911.09/151,677.33 = 62,163.42/x
  3. Step 3: Cross multiply
    109,911.09x = 151,677.33 × 62,163.42
  4. Step 4: Simplify right side
    109,911.09x = 9,428,780,767.37
  5. Step 5: Solve for x
    x = 9,428,780,767.37/109,911.09
  6. Step 6: Final answer
    x = 85,785.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.