Home / 76,536.78-114,813.51-25,972.32

Finding the Fourth Proportional to 76,536.78, 114,813.51 and 25,972.32

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Solution

The fourth proportional to 76,536.78, 114,813.51 and 25,972.32 is: 38,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,536.78 : 114,813.51 = 25,972.32 : x
  2. Step 2: Convert to fraction form
    76,536.78/114,813.51 = 25,972.32/x
  3. Step 3: Cross multiply
    76,536.78x = 114,813.51 × 25,972.32
  4. Step 4: Simplify right side
    76,536.78x = 2,981,973,222.04
  5. Step 5: Solve for x
    x = 2,981,973,222.04/76,536.78
  6. Step 6: Final answer
    x = 38,961.31

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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.