Home / 75,108.22-103,675.22-43,289.80

Finding the Fourth Proportional to 75,108.22, 103,675.22 and 43,289.80

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Solution

The fourth proportional to 75,108.22, 103,675.22 and 43,289.80 is: 59,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.22 : 103,675.22 = 43,289.80 : x
  2. Step 2: Convert to fraction form
    75,108.22/103,675.22 = 43,289.80/x
  3. Step 3: Cross multiply
    75,108.22x = 103,675.22 × 43,289.80
  4. Step 4: Simplify right side
    75,108.22x = 4,488,079,538.76
  5. Step 5: Solve for x
    x = 4,488,079,538.76/75,108.22
  6. Step 6: Final answer
    x = 59,754.84

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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.