Home / 66,563.06-91,857.29-36,349.04

Finding the Fourth Proportional to 66,563.06, 91,857.29 and 36,349.04

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Solution

The fourth proportional to 66,563.06, 91,857.29 and 36,349.04 is: 50,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563.06 : 91,857.29 = 36,349.04 : x
  2. Step 2: Convert to fraction form
    66,563.06/91,857.29 = 36,349.04/x
  3. Step 3: Cross multiply
    66,563.06x = 91,857.29 × 36,349.04
  4. Step 4: Simplify right side
    66,563.06x = 3,338,923,667.47
  5. Step 5: Solve for x
    x = 3,338,923,667.47/66,563.06
  6. Step 6: Final answer
    x = 50,161.82

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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.