Home / 52,133.88-78,200.58-36,620.76

Finding the Fourth Proportional to 52,133.88, 78,200.58 and 36,620.76

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Solution

The fourth proportional to 52,133.88, 78,200.58 and 36,620.76 is: 54,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.88 : 78,200.58 = 36,620.76 : x
  2. Step 2: Convert to fraction form
    52,133.88/78,200.58 = 36,620.76/x
  3. Step 3: Cross multiply
    52,133.88x = 78,200.58 × 36,620.76
  4. Step 4: Simplify right side
    52,133.88x = 2,863,764,672.04
  5. Step 5: Solve for x
    x = 2,863,764,672.04/52,133.88
  6. Step 6: Final answer
    x = 54,930.97

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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.