Home / 67,212.12-92,751.96-36,996.78

Finding the Fourth Proportional to 67,212.12, 92,751.96 and 36,996.78

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Solution

The fourth proportional to 67,212.12, 92,751.96 and 36,996.78 is: 51,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,212.12 : 92,751.96 = 36,996.78 : x
  2. Step 2: Convert to fraction form
    67,212.12/92,751.96 = 36,996.78/x
  3. Step 3: Cross multiply
    67,212.12x = 92,751.96 × 36,996.78
  4. Step 4: Simplify right side
    67,212.12x = 3,431,523,858.69
  5. Step 5: Solve for x
    x = 3,431,523,858.69/67,212.12
  6. Step 6: Final answer
    x = 51,055.13

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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.