Home / 75,570.87-113,369.22-31,173.36

Finding the Fourth Proportional to 75,570.87, 113,369.22 and 31,173.36

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Solution

The fourth proportional to 75,570.87, 113,369.22 and 31,173.36 is: 46,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570.87 : 113,369.22 = 31,173.36 : x
  2. Step 2: Convert to fraction form
    75,570.87/113,369.22 = 31,173.36/x
  3. Step 3: Cross multiply
    75,570.87x = 113,369.22 × 31,173.36
  4. Step 4: Simplify right side
    75,570.87x = 3,534,099,082.84
  5. Step 5: Solve for x
    x = 3,534,099,082.84/75,570.87
  6. Step 6: Final answer
    x = 46,765.36

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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.