Home / 52,072.80-78,093.06-18,788.54

Finding the Fourth Proportional to 52,072.80, 78,093.06 and 18,788.54

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Solution

The fourth proportional to 52,072.80, 78,093.06 and 18,788.54 is: 28,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.80 : 78,093.06 = 18,788.54 : x
  2. Step 2: Convert to fraction form
    52,072.80/78,093.06 = 18,788.54/x
  3. Step 3: Cross multiply
    52,072.80x = 78,093.06 × 18,788.54
  4. Step 4: Simplify right side
    52,072.80x = 1,467,254,581.53
  5. Step 5: Solve for x
    x = 1,467,254,581.53/52,072.80
  6. Step 6: Final answer
    x = 28,176.99

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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.