Home / 71,519.04-107,196-52,516.80

Finding the Fourth Proportional to 71,519.04, 107,196 and 52,516.80

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Solution

The fourth proportional to 71,519.04, 107,196 and 52,516.80 is: 78,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,519.04 : 107,196 = 52,516.80 : x
  2. Step 2: Convert to fraction form
    71,519.04/107,196 = 52,516.80/x
  3. Step 3: Cross multiply
    71,519.04x = 107,196 × 52,516.80
  4. Step 4: Simplify right side
    71,519.04x = 5,629,590,892.80
  5. Step 5: Solve for x
    x = 5,629,590,892.80/71,519.04
  6. Step 6: Final answer
    x = 78,714.58

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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.