Home / 102,680.70-153,855.45-58,175.10

Finding the Fourth Proportional to 102,680.70, 153,855.45 and 58,175.10

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Solution

The fourth proportional to 102,680.70, 153,855.45 and 58,175.10 is: 87,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,680.70 : 153,855.45 = 58,175.10 : x
  2. Step 2: Convert to fraction form
    102,680.70/153,855.45 = 58,175.10/x
  3. Step 3: Cross multiply
    102,680.70x = 153,855.45 × 58,175.10
  4. Step 4: Simplify right side
    102,680.70x = 8,950,556,189.30
  5. Step 5: Solve for x
    x = 8,950,556,189.30/102,680.70
  6. Step 6: Final answer
    x = 87,168.83

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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.