Home / 76,950.10-115,216.62-39,936.34

Finding the Fourth Proportional to 76,950.10, 115,216.62 and 39,936.34

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Solution

The fourth proportional to 76,950.10, 115,216.62 and 39,936.34 is: 59,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,950.10 : 115,216.62 = 39,936.34 : x
  2. Step 2: Convert to fraction form
    76,950.10/115,216.62 = 39,936.34/x
  3. Step 3: Cross multiply
    76,950.10x = 115,216.62 × 39,936.34
  4. Step 4: Simplify right side
    76,950.10x = 4,601,330,109.97
  5. Step 5: Solve for x
    x = 4,601,330,109.97/76,950.10
  6. Step 6: Final answer
    x = 59,796.28

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1.5x scale

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.