Home / 76,725.94-114,969.54-29,315.17

Finding the Fourth Proportional to 76,725.94, 114,969.54 and 29,315.17

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Solution

The fourth proportional to 76,725.94, 114,969.54 and 29,315.17 is: 43,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,725.94 : 114,969.54 = 29,315.17 : x
  2. Step 2: Convert to fraction form
    76,725.94/114,969.54 = 29,315.17/x
  3. Step 3: Cross multiply
    76,725.94x = 114,969.54 × 29,315.17
  4. Step 4: Simplify right side
    76,725.94x = 3,370,351,609.92
  5. Step 5: Solve for x
    x = 3,370,351,609.92/76,725.94
  6. Step 6: Final answer
    x = 43,927.15

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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.