Home / 75,265.44-103,865.45-43,433.66

Finding the Fourth Proportional to 75,265.44, 103,865.45 and 43,433.66

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Solution

The fourth proportional to 75,265.44, 103,865.45 and 43,433.66 is: 59,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,265.44 : 103,865.45 = 43,433.66 : x
  2. Step 2: Convert to fraction form
    75,265.44/103,865.45 = 43,433.66/x
  3. Step 3: Cross multiply
    75,265.44x = 103,865.45 × 43,433.66
  4. Step 4: Simplify right side
    75,265.44x = 4,511,256,641.05
  5. Step 5: Solve for x
    x = 4,511,256,641.05/75,265.44
  6. Step 6: Final answer
    x = 59,937.96

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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.