Home / 75,846.56-113,721.24-31,503.92

Finding the Fourth Proportional to 75,846.56, 113,721.24 and 31,503.92

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Solution

The fourth proportional to 75,846.56, 113,721.24 and 31,503.92 is: 47,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,846.56 : 113,721.24 = 31,503.92 : x
  2. Step 2: Convert to fraction form
    75,846.56/113,721.24 = 31,503.92/x
  3. Step 3: Cross multiply
    75,846.56x = 113,721.24 × 31,503.92
  4. Step 4: Simplify right side
    75,846.56x = 3,582,664,847.26
  5. Step 5: Solve for x
    x = 3,582,664,847.26/75,846.56
  6. Step 6: Final answer
    x = 47,235.69

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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.