Home / 52,236.39-78,355.53-12,793.80

Finding the Fourth Proportional to 52,236.39, 78,355.53 and 12,793.80

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Solution

The fourth proportional to 52,236.39, 78,355.53 and 12,793.80 is: 19,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.39 : 78,355.53 = 12,793.80 : x
  2. Step 2: Convert to fraction form
    52,236.39/78,355.53 = 12,793.80/x
  3. Step 3: Cross multiply
    52,236.39x = 78,355.53 × 12,793.80
  4. Step 4: Simplify right side
    52,236.39x = 1,002,464,979.71
  5. Step 5: Solve for x
    x = 1,002,464,979.71/52,236.39
  6. Step 6: Final answer
    x = 19,190.93

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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.