Home / 85,314.11-117,735.94-47,076.12

Finding the Fourth Proportional to 85,314.11, 117,735.94 and 47,076.12

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Solution

The fourth proportional to 85,314.11, 117,735.94 and 47,076.12 is: 64,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,314.11 : 117,735.94 = 47,076.12 : x
  2. Step 2: Convert to fraction form
    85,314.11/117,735.94 = 47,076.12/x
  3. Step 3: Cross multiply
    85,314.11x = 117,735.94 × 47,076.12
  4. Step 4: Simplify right side
    85,314.11x = 5,542,551,475.25
  5. Step 5: Solve for x
    x = 5,542,551,475.25/85,314.11
  6. Step 6: Final answer
    x = 64,966.41

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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.