Home / 75,768.72-113,665.79-23,165.88

Finding the Fourth Proportional to 75,768.72, 113,665.79 and 23,165.88

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Solution

The fourth proportional to 75,768.72, 113,665.79 and 23,165.88 is: 34,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.72 : 113,665.79 = 23,165.88 : x
  2. Step 2: Convert to fraction form
    75,768.72/113,665.79 = 23,165.88/x
  3. Step 3: Cross multiply
    75,768.72x = 113,665.79 × 23,165.88
  4. Step 4: Simplify right side
    75,768.72x = 2,633,168,051.25
  5. Step 5: Solve for x
    x = 2,633,168,051.25/75,768.72
  6. Step 6: Final answer
    x = 34,752.71

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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.