Home / 107,021.22-160,519.08-28,141.59

Finding the Fourth Proportional to 107,021.22, 160,519.08 and 28,141.59

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Solution

The fourth proportional to 107,021.22, 160,519.08 and 28,141.59 is: 42,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,021.22 : 160,519.08 = 28,141.59 : x
  2. Step 2: Convert to fraction form
    107,021.22/160,519.08 = 28,141.59/x
  3. Step 3: Cross multiply
    107,021.22x = 160,519.08 × 28,141.59
  4. Step 4: Simplify right side
    107,021.22x = 4,517,262,136.54
  5. Step 5: Solve for x
    x = 4,517,262,136.54/107,021.22
  6. Step 6: Final answer
    x = 42,209.03

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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.