Home / 57,965.81-86,799.94-40,171.12

Finding the Fourth Proportional to 57,965.81, 86,799.94 and 40,171.12

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Solution

The fourth proportional to 57,965.81, 86,799.94 and 40,171.12 is: 60,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.81 : 86,799.94 = 40,171.12 : x
  2. Step 2: Convert to fraction form
    57,965.81/86,799.94 = 40,171.12/x
  3. Step 3: Cross multiply
    57,965.81x = 86,799.94 × 40,171.12
  4. Step 4: Simplify right side
    57,965.81x = 3,486,850,488.31
  5. Step 5: Solve for x
    x = 3,486,850,488.31/57,965.81
  6. Step 6: Final answer
    x = 60,153.58

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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.