Home / 52,351.61-78,528.24-12,908.73

Finding the Fourth Proportional to 52,351.61, 78,528.24 and 12,908.73

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Solution

The fourth proportional to 52,351.61, 78,528.24 and 12,908.73 is: 19,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,351.61 : 78,528.24 = 12,908.73 : x
  2. Step 2: Convert to fraction form
    52,351.61/78,528.24 = 12,908.73/x
  3. Step 3: Cross multiply
    52,351.61x = 78,528.24 × 12,908.73
  4. Step 4: Simplify right side
    52,351.61x = 1,013,699,847.54
  5. Step 5: Solve for x
    x = 1,013,699,847.54/52,351.61
  6. Step 6: Final answer
    x = 19,363.30

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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.