Home / 35,153.21-52,729.20-8,857.37

Finding the Fourth Proportional to 35,153.21, 52,729.20 and 8,857.37

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Solution

The fourth proportional to 35,153.21, 52,729.20 and 8,857.37 is: 13,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,153.21 : 52,729.20 = 8,857.37 : x
  2. Step 2: Convert to fraction form
    35,153.21/52,729.20 = 8,857.37/x
  3. Step 3: Cross multiply
    35,153.21x = 52,729.20 × 8,857.37
  4. Step 4: Simplify right side
    35,153.21x = 467,041,770.56
  5. Step 5: Solve for x
    x = 467,041,770.56/35,153.21
  6. Step 6: Final answer
    x = 13,285.89

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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.