Home / 75,348.72-103,990.44-43,517.58

Finding the Fourth Proportional to 75,348.72, 103,990.44 and 43,517.58

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Solution

The fourth proportional to 75,348.72, 103,990.44 and 43,517.58 is: 60,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,348.72 : 103,990.44 = 43,517.58 : x
  2. Step 2: Convert to fraction form
    75,348.72/103,990.44 = 43,517.58/x
  3. Step 3: Cross multiply
    75,348.72x = 103,990.44 × 43,517.58
  4. Step 4: Simplify right side
    75,348.72x = 4,525,412,291.94
  5. Step 5: Solve for x
    x = 4,525,412,291.94/75,348.72
  6. Step 6: Final answer
    x = 60,059.58

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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.