Home / 66,451.05-91,704.67-36,238.03

Finding the Fourth Proportional to 66,451.05, 91,704.67 and 36,238.03

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Solution

The fourth proportional to 66,451.05, 91,704.67 and 36,238.03 is: 50,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451.05 : 91,704.67 = 36,238.03 : x
  2. Step 2: Convert to fraction form
    66,451.05/91,704.67 = 36,238.03/x
  3. Step 3: Cross multiply
    66,451.05x = 91,704.67 × 36,238.03
  4. Step 4: Simplify right side
    66,451.05x = 3,323,196,473.98
  5. Step 5: Solve for x
    x = 3,323,196,473.98/66,451.05
  6. Step 6: Final answer
    x = 50,009.69

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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.