Home / 66,745.08-92,131.50-41,270.88

Finding the Fourth Proportional to 66,745.08, 92,131.50 and 41,270.88

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Solution

The fourth proportional to 66,745.08, 92,131.50 and 41,270.88 is: 56,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,745.08 : 92,131.50 = 41,270.88 : x
  2. Step 2: Convert to fraction form
    66,745.08/92,131.50 = 41,270.88/x
  3. Step 3: Cross multiply
    66,745.08x = 92,131.50 × 41,270.88
  4. Step 4: Simplify right side
    66,745.08x = 3,802,348,080.72
  5. Step 5: Solve for x
    x = 3,802,348,080.72/66,745.08
  6. Step 6: Final answer
    x = 56,968.22

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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.