Home / 66,741.44-92,094.09-39,878.27

Finding the Fourth Proportional to 66,741.44, 92,094.09 and 39,878.27

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Solution

The fourth proportional to 66,741.44, 92,094.09 and 39,878.27 is: 55,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.44 : 92,094.09 = 39,878.27 : x
  2. Step 2: Convert to fraction form
    66,741.44/92,094.09 = 39,878.27/x
  3. Step 3: Cross multiply
    66,741.44x = 92,094.09 × 39,878.27
  4. Step 4: Simplify right side
    66,741.44x = 3,672,552,525.95
  5. Step 5: Solve for x
    x = 3,672,552,525.95/66,741.44
  6. Step 6: Final answer
    x = 55,026.57

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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.