Home / 75,536.66-113,288.78-31,151.90

Finding the Fourth Proportional to 75,536.66, 113,288.78 and 31,151.90

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Solution

The fourth proportional to 75,536.66, 113,288.78 and 31,151.90 is: 46,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,536.66 : 113,288.78 = 31,151.90 : x
  2. Step 2: Convert to fraction form
    75,536.66/113,288.78 = 31,151.90/x
  3. Step 3: Cross multiply
    75,536.66x = 113,288.78 × 31,151.90
  4. Step 4: Simplify right side
    75,536.66x = 3,529,160,745.68
  5. Step 5: Solve for x
    x = 3,529,160,745.68/75,536.66
  6. Step 6: Final answer
    x = 46,721.16

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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.