Home / 47,073.87-70,613.24-12,013.83

Finding the Fourth Proportional to 47,073.87, 70,613.24 and 12,013.83

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Solution

The fourth proportional to 47,073.87, 70,613.24 and 12,013.83 is: 18,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,073.87 : 70,613.24 = 12,013.83 : x
  2. Step 2: Convert to fraction form
    47,073.87/70,613.24 = 12,013.83/x
  3. Step 3: Cross multiply
    47,073.87x = 70,613.24 × 12,013.83
  4. Step 4: Simplify right side
    47,073.87x = 848,335,401.04
  5. Step 5: Solve for x
    x = 848,335,401.04/47,073.87
  6. Step 6: Final answer
    x = 18,021.37

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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.