Home / 85,438.41-117,896.22-49,635.96

Finding the Fourth Proportional to 85,438.41, 117,896.22 and 49,635.96

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Solution

The fourth proportional to 85,438.41, 117,896.22 and 49,635.96 is: 68,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,438.41 : 117,896.22 = 49,635.96 : x
  2. Step 2: Convert to fraction form
    85,438.41/117,896.22 = 49,635.96/x
  3. Step 3: Cross multiply
    85,438.41x = 117,896.22 × 49,635.96
  4. Step 4: Simplify right side
    85,438.41x = 5,851,892,060.07
  5. Step 5: Solve for x
    x = 5,851,892,060.07/85,438.41
  6. Step 6: Final answer
    x = 68,492.52

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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.