Home / 76,682.72-114,896.50-26,735.28

Finding the Fourth Proportional to 76,682.72, 114,896.50 and 26,735.28

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Solution

The fourth proportional to 76,682.72, 114,896.50 and 26,735.28 is: 40,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,682.72 : 114,896.50 = 26,735.28 : x
  2. Step 2: Convert to fraction form
    76,682.72/114,896.50 = 26,735.28/x
  3. Step 3: Cross multiply
    76,682.72x = 114,896.50 × 26,735.28
  4. Step 4: Simplify right side
    76,682.72x = 3,071,790,098.52
  5. Step 5: Solve for x
    x = 3,071,790,098.52/76,682.72
  6. Step 6: Final answer
    x = 40,058.44

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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.