Home / 73,747.62-110,621.49-31,600.37

Finding the Fourth Proportional to 73,747.62, 110,621.49 and 31,600.37

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Solution

The fourth proportional to 73,747.62, 110,621.49 and 31,600.37 is: 47,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,747.62 : 110,621.49 = 31,600.37 : x
  2. Step 2: Convert to fraction form
    73,747.62/110,621.49 = 31,600.37/x
  3. Step 3: Cross multiply
    73,747.62x = 110,621.49 × 31,600.37
  4. Step 4: Simplify right side
    73,747.62x = 3,495,679,460.84
  5. Step 5: Solve for x
    x = 3,495,679,460.84/73,747.62
  6. Step 6: Final answer
    x = 47,400.57

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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.