Home / 85,101.46-117,422.21-49,289.33

Finding the Fourth Proportional to 85,101.46, 117,422.21 and 49,289.33

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Solution

The fourth proportional to 85,101.46, 117,422.21 and 49,289.33 is: 68,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,101.46 : 117,422.21 = 49,289.33 : x
  2. Step 2: Convert to fraction form
    85,101.46/117,422.21 = 49,289.33/x
  3. Step 3: Cross multiply
    85,101.46x = 117,422.21 × 49,289.33
  4. Step 4: Simplify right side
    85,101.46x = 5,787,662,474.80
  5. Step 5: Solve for x
    x = 5,787,662,474.80/85,101.46
  6. Step 6: Final answer
    x = 68,008.97

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1.5x scale

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.