Home / 75,889.04-113,822.84-47,723.21

Finding the Fourth Proportional to 75,889.04, 113,822.84 and 47,723.21

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Solution

The fourth proportional to 75,889.04, 113,822.84 and 47,723.21 is: 71,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,889.04 : 113,822.84 = 47,723.21 : x
  2. Step 2: Convert to fraction form
    75,889.04/113,822.84 = 47,723.21/x
  3. Step 3: Cross multiply
    75,889.04x = 113,822.84 × 47,723.21
  4. Step 4: Simplify right side
    75,889.04x = 5,431,990,488.39
  5. Step 5: Solve for x
    x = 5,431,990,488.39/75,889.04
  6. Step 6: Final answer
    x = 71,578.07

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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.