Home / 52,855.45-79,282.82-12,873.96

Finding the Fourth Proportional to 52,855.45, 79,282.82 and 12,873.96

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Solution

The fourth proportional to 52,855.45, 79,282.82 and 12,873.96 is: 19,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.45 : 79,282.82 = 12,873.96 : x
  2. Step 2: Convert to fraction form
    52,855.45/79,282.82 = 12,873.96/x
  3. Step 3: Cross multiply
    52,855.45x = 79,282.82 × 12,873.96
  4. Step 4: Simplify right side
    52,855.45x = 1,020,683,392.58
  5. Step 5: Solve for x
    x = 1,020,683,392.58/52,855.45
  6. Step 6: Final answer
    x = 19,310.84

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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.