Home / 66,245.63-91,380.06-41,677.38

Finding the Fourth Proportional to 66,245.63, 91,380.06 and 41,677.38

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Solution

The fourth proportional to 66,245.63, 91,380.06 and 41,677.38 is: 57,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245.63 : 91,380.06 = 41,677.38 : x
  2. Step 2: Convert to fraction form
    66,245.63/91,380.06 = 41,677.38/x
  3. Step 3: Cross multiply
    66,245.63x = 91,380.06 × 41,677.38
  4. Step 4: Simplify right side
    66,245.63x = 3,808,481,485.04
  5. Step 5: Solve for x
    x = 3,808,481,485.04/66,245.63
  6. Step 6: Final answer
    x = 57,490.31

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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.