Home / 75,313.14-103,928.63-41,320.86

Finding the Fourth Proportional to 75,313.14, 103,928.63 and 41,320.86

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Solution

The fourth proportional to 75,313.14, 103,928.63 and 41,320.86 is: 57,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,313.14 : 103,928.63 = 41,320.86 : x
  2. Step 2: Convert to fraction form
    75,313.14/103,928.63 = 41,320.86/x
  3. Step 3: Cross multiply
    75,313.14x = 103,928.63 × 41,320.86
  4. Step 4: Simplify right side
    75,313.14x = 4,294,420,163.62
  5. Step 5: Solve for x
    x = 4,294,420,163.62/75,313.14
  6. Step 6: Final answer
    x = 57,020.86

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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.