Home / 75,474.87-113,225.97-31,077.41

Finding the Fourth Proportional to 75,474.87, 113,225.97 and 31,077.41

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Solution

The fourth proportional to 75,474.87, 113,225.97 and 31,077.41 is: 46,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,474.87 : 113,225.97 = 31,077.41 : x
  2. Step 2: Convert to fraction form
    75,474.87/113,225.97 = 31,077.41/x
  3. Step 3: Cross multiply
    75,474.87x = 113,225.97 × 31,077.41
  4. Step 4: Simplify right side
    75,474.87x = 3,518,769,326.21
  5. Step 5: Solve for x
    x = 3,518,769,326.21/75,474.87
  6. Step 6: Final answer
    x = 46,621.73

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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.