Home / 55,704.34-83,627.75-47,857.06

Finding the Fourth Proportional to 55,704.34, 83,627.75 and 47,857.06

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Solution

The fourth proportional to 55,704.34, 83,627.75 and 47,857.06 is: 71,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.34 : 83,627.75 = 47,857.06 : x
  2. Step 2: Convert to fraction form
    55,704.34/83,627.75 = 47,857.06/x
  3. Step 3: Cross multiply
    55,704.34x = 83,627.75 × 47,857.06
  4. Step 4: Simplify right side
    55,704.34x = 4,002,178,249.42
  5. Step 5: Solve for x
    x = 4,002,178,249.42/55,704.34
  6. Step 6: Final answer
    x = 71,846.79

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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.