Home / 66,069.09-91,173.20-36,997.47

Finding the Fourth Proportional to 66,069.09, 91,173.20 and 36,997.47

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Solution

The fourth proportional to 66,069.09, 91,173.20 and 36,997.47 is: 51,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.09 : 91,173.20 = 36,997.47 : x
  2. Step 2: Convert to fraction form
    66,069.09/91,173.20 = 36,997.47/x
  3. Step 3: Cross multiply
    66,069.09x = 91,173.20 × 36,997.47
  4. Step 4: Simplify right side
    66,069.09x = 3,373,177,546.82
  5. Step 5: Solve for x
    x = 3,373,177,546.82/66,069.09
  6. Step 6: Final answer
    x = 51,055.31

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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.