Home / 66,685.06-92,021.66-36,464.38

Finding the Fourth Proportional to 66,685.06, 92,021.66 and 36,464.38

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Solution

The fourth proportional to 66,685.06, 92,021.66 and 36,464.38 is: 50,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685.06 : 92,021.66 = 36,464.38 : x
  2. Step 2: Convert to fraction form
    66,685.06/92,021.66 = 36,464.38/x
  3. Step 3: Cross multiply
    66,685.06x = 92,021.66 × 36,464.38
  4. Step 4: Simplify right side
    66,685.06x = 3,355,512,778.47
  5. Step 5: Solve for x
    x = 3,355,512,778.47/66,685.06
  6. Step 6: Final answer
    x = 50,318.81

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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.