Home / 66,167.97-91,322.69-48,322.05

Finding the Fourth Proportional to 66,167.97, 91,322.69 and 48,322.05

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Solution

The fourth proportional to 66,167.97, 91,322.69 and 48,322.05 is: 66,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.97 : 91,322.69 = 48,322.05 : x
  2. Step 2: Convert to fraction form
    66,167.97/91,322.69 = 48,322.05/x
  3. Step 3: Cross multiply
    66,167.97x = 91,322.69 × 48,322.05
  4. Step 4: Simplify right side
    66,167.97x = 4,412,899,350.70
  5. Step 5: Solve for x
    x = 4,412,899,350.70/66,167.97
  6. Step 6: Final answer
    x = 66,692.38

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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.