Home / 66,992.14-92,450.37-36,780.31

Finding the Fourth Proportional to 66,992.14, 92,450.37 and 36,780.31

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Solution

The fourth proportional to 66,992.14, 92,450.37 and 36,780.31 is: 50,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,992.14 : 92,450.37 = 36,780.31 : x
  2. Step 2: Convert to fraction form
    66,992.14/92,450.37 = 36,780.31/x
  3. Step 3: Cross multiply
    66,992.14x = 92,450.37 × 36,780.31
  4. Step 4: Simplify right side
    66,992.14x = 3,400,353,268.21
  5. Step 5: Solve for x
    x = 3,400,353,268.21/66,992.14
  6. Step 6: Final answer
    x = 50,757.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.