Home / 76,538.24-114,860.32-29,791.36

Finding the Fourth Proportional to 76,538.24, 114,860.32 and 29,791.36

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Solution

The fourth proportional to 76,538.24, 114,860.32 and 29,791.36 is: 44,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,538.24 : 114,860.32 = 29,791.36 : x
  2. Step 2: Convert to fraction form
    76,538.24/114,860.32 = 29,791.36/x
  3. Step 3: Cross multiply
    76,538.24x = 114,860.32 × 29,791.36
  4. Step 4: Simplify right side
    76,538.24x = 3,421,845,142.84
  5. Step 5: Solve for x
    x = 3,421,845,142.84/76,538.24
  6. Step 6: Final answer
    x = 44,707.65

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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.