Home / 52,066.05-78,093.75-18,786.60

Finding the Fourth Proportional to 52,066.05, 78,093.75 and 18,786.60

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Solution

The fourth proportional to 52,066.05, 78,093.75 and 18,786.60 is: 28,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066.05 : 78,093.75 = 18,786.60 : x
  2. Step 2: Convert to fraction form
    52,066.05/78,093.75 = 18,786.60/x
  3. Step 3: Cross multiply
    52,066.05x = 78,093.75 × 18,786.60
  4. Step 4: Simplify right side
    52,066.05x = 1,467,116,043.75
  5. Step 5: Solve for x
    x = 1,467,116,043.75/52,066.05
  6. Step 6: Final answer
    x = 28,177.98

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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.