Home / 56,711.70-85,080.46-17,271.89

Finding the Fourth Proportional to 56,711.70, 85,080.46 and 17,271.89

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Solution

The fourth proportional to 56,711.70, 85,080.46 and 17,271.89 is: 25,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.70 : 85,080.46 = 17,271.89 : x
  2. Step 2: Convert to fraction form
    56,711.70/85,080.46 = 17,271.89/x
  3. Step 3: Cross multiply
    56,711.70x = 85,080.46 × 17,271.89
  4. Step 4: Simplify right side
    56,711.70x = 1,469,500,346.27
  5. Step 5: Solve for x
    x = 1,469,500,346.27/56,711.70
  6. Step 6: Final answer
    x = 25,911.77

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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.