Home / 47,222.78-70,822.83-13,933.85

Finding the Fourth Proportional to 47,222.78, 70,822.83 and 13,933.85

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Solution

The fourth proportional to 47,222.78, 70,822.83 and 13,933.85 is: 20,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,222.78 : 70,822.83 = 13,933.85 : x
  2. Step 2: Convert to fraction form
    47,222.78/70,822.83 = 13,933.85/x
  3. Step 3: Cross multiply
    47,222.78x = 70,822.83 × 13,933.85
  4. Step 4: Simplify right side
    47,222.78x = 986,834,689.80
  5. Step 5: Solve for x
    x = 986,834,689.80/47,222.78
  6. Step 6: Final answer
    x = 20,897.43

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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.