Home / 66,656.94-91,982.88-36,436.26

Finding the Fourth Proportional to 66,656.94, 91,982.88 and 36,436.26

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Solution

The fourth proportional to 66,656.94, 91,982.88 and 36,436.26 is: 50,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,656.94 : 91,982.88 = 36,436.26 : x
  2. Step 2: Convert to fraction form
    66,656.94/91,982.88 = 36,436.26/x
  3. Step 3: Cross multiply
    66,656.94x = 91,982.88 × 36,436.26
  4. Step 4: Simplify right side
    66,656.94x = 3,351,512,131.23
  5. Step 5: Solve for x
    x = 3,351,512,131.23/66,656.94
  6. Step 6: Final answer
    x = 50,280.02

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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.