Home / 52,855.21-79,282.76-12,874.17

Finding the Fourth Proportional to 52,855.21, 79,282.76 and 12,874.17

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Solution

The fourth proportional to 52,855.21, 79,282.76 and 12,874.17 is: 19,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.21 : 79,282.76 = 12,874.17 : x
  2. Step 2: Convert to fraction form
    52,855.21/79,282.76 = 12,874.17/x
  3. Step 3: Cross multiply
    52,855.21x = 79,282.76 × 12,874.17
  4. Step 4: Simplify right side
    52,855.21x = 1,020,699,665.94
  5. Step 5: Solve for x
    x = 1,020,699,665.94/52,855.21
  6. Step 6: Final answer
    x = 19,311.24

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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.