Home / 66,927.30-100,196.55-64,983.30

Finding the Fourth Proportional to 66,927.30, 100,196.55 and 64,983.30

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Solution

The fourth proportional to 66,927.30, 100,196.55 and 64,983.30 is: 97,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.30 : 100,196.55 = 64,983.30 : x
  2. Step 2: Convert to fraction form
    66,927.30/100,196.55 = 64,983.30/x
  3. Step 3: Cross multiply
    66,927.30x = 100,196.55 × 64,983.30
  4. Step 4: Simplify right side
    66,927.30x = 6,511,102,467.62
  5. Step 5: Solve for x
    x = 6,511,102,467.62/66,927.30
  6. Step 6: Final answer
    x = 97,286.20

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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.