Home / 76,686.22-114,975.96-33,968.45

Finding the Fourth Proportional to 76,686.22, 114,975.96 and 33,968.45

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Solution

The fourth proportional to 76,686.22, 114,975.96 and 33,968.45 is: 50,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,686.22 : 114,975.96 = 33,968.45 : x
  2. Step 2: Convert to fraction form
    76,686.22/114,975.96 = 33,968.45/x
  3. Step 3: Cross multiply
    76,686.22x = 114,975.96 × 33,968.45
  4. Step 4: Simplify right side
    76,686.22x = 3,905,555,350.98
  5. Step 5: Solve for x
    x = 3,905,555,350.98/76,686.22
  6. Step 6: Final answer
    x = 50,929.04

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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.