Home / 75,532.47-113,329.38-38,103.39

Finding the Fourth Proportional to 75,532.47, 113,329.38 and 38,103.39

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Solution

The fourth proportional to 75,532.47, 113,329.38 and 38,103.39 is: 57,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,532.47 : 113,329.38 = 38,103.39 : x
  2. Step 2: Convert to fraction form
    75,532.47/113,329.38 = 38,103.39/x
  3. Step 3: Cross multiply
    75,532.47x = 113,329.38 × 38,103.39
  4. Step 4: Simplify right side
    75,532.47x = 4,318,233,564.60
  5. Step 5: Solve for x
    x = 4,318,233,564.60/75,532.47
  6. Step 6: Final answer
    x = 57,170.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.