Home / 85,268.73-117,672.03-47,029.86

Finding the Fourth Proportional to 85,268.73, 117,672.03 and 47,029.86

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Solution

The fourth proportional to 85,268.73, 117,672.03 and 47,029.86 is: 64,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,268.73 : 117,672.03 = 47,029.86 : x
  2. Step 2: Convert to fraction form
    85,268.73/117,672.03 = 47,029.86/x
  3. Step 3: Cross multiply
    85,268.73x = 117,672.03 × 47,029.86
  4. Step 4: Simplify right side
    85,268.73x = 5,534,099,096.82
  5. Step 5: Solve for x
    x = 5,534,099,096.82/85,268.73
  6. Step 6: Final answer
    x = 64,901.86

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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.