Home / 75,143.14-103,697.37-43,311.82

Finding the Fourth Proportional to 75,143.14, 103,697.37 and 43,311.82

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Solution

The fourth proportional to 75,143.14, 103,697.37 and 43,311.82 is: 59,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.14 : 103,697.37 = 43,311.82 : x
  2. Step 2: Convert to fraction form
    75,143.14/103,697.37 = 43,311.82/x
  3. Step 3: Cross multiply
    75,143.14x = 103,697.37 × 43,311.82
  4. Step 4: Simplify right side
    75,143.14x = 4,491,321,823.91
  5. Step 5: Solve for x
    x = 4,491,321,823.91/75,143.14
  6. Step 6: Final answer
    x = 59,770.22

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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.