Home / 66,271.70-91,455.35-36,057.25

Finding the Fourth Proportional to 66,271.70, 91,455.35 and 36,057.25

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Solution

The fourth proportional to 66,271.70, 91,455.35 and 36,057.25 is: 49,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.70 : 91,455.35 = 36,057.25 : x
  2. Step 2: Convert to fraction form
    66,271.70/91,455.35 = 36,057.25/x
  3. Step 3: Cross multiply
    66,271.70x = 91,455.35 × 36,057.25
  4. Step 4: Simplify right side
    66,271.70x = 3,297,628,428.88
  5. Step 5: Solve for x
    x = 3,297,628,428.88/66,271.70
  6. Step 6: Final answer
    x = 49,759.22

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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.