Home / 75,768.80-113,649.09-23,178.29

Finding the Fourth Proportional to 75,768.80, 113,649.09 and 23,178.29

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Solution

The fourth proportional to 75,768.80, 113,649.09 and 23,178.29 is: 34,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.80 : 113,649.09 = 23,178.29 : x
  2. Step 2: Convert to fraction form
    75,768.80/113,649.09 = 23,178.29/x
  3. Step 3: Cross multiply
    75,768.80x = 113,649.09 × 23,178.29
  4. Step 4: Simplify right side
    75,768.80x = 2,634,190,998.01
  5. Step 5: Solve for x
    x = 2,634,190,998.01/75,768.80
  6. Step 6: Final answer
    x = 34,766.17

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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.