Home / 51,976.53-77,964.10-12,533.33

Finding the Fourth Proportional to 51,976.53, 77,964.10 and 12,533.33

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Solution

The fourth proportional to 51,976.53, 77,964.10 and 12,533.33 is: 18,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.53 : 77,964.10 = 12,533.33 : x
  2. Step 2: Convert to fraction form
    51,976.53/77,964.10 = 12,533.33/x
  3. Step 3: Cross multiply
    51,976.53x = 77,964.10 × 12,533.33
  4. Step 4: Simplify right side
    51,976.53x = 977,149,793.45
  5. Step 5: Solve for x
    x = 977,149,793.45/51,976.53
  6. Step 6: Final answer
    x = 18,799.83

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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.