Home / 85,454.37-117,906.93-49,623.12

Finding the Fourth Proportional to 85,454.37, 117,906.93 and 49,623.12

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Solution

The fourth proportional to 85,454.37, 117,906.93 and 49,623.12 is: 68,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,454.37 : 117,906.93 = 49,623.12 : x
  2. Step 2: Convert to fraction form
    85,454.37/117,906.93 = 49,623.12/x
  3. Step 3: Cross multiply
    85,454.37x = 117,906.93 × 49,623.12
  4. Step 4: Simplify right side
    85,454.37x = 5,850,909,736.22
  5. Step 5: Solve for x
    x = 5,850,909,736.22/85,454.37
  6. Step 6: Final answer
    x = 68,468.23

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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.