Home / 66,811.48-92,261.82-50,015.32

Finding the Fourth Proportional to 66,811.48, 92,261.82 and 50,015.32

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Solution

The fourth proportional to 66,811.48, 92,261.82 and 50,015.32 is: 69,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,811.48 : 92,261.82 = 50,015.32 : x
  2. Step 2: Convert to fraction form
    66,811.48/92,261.82 = 50,015.32/x
  3. Step 3: Cross multiply
    66,811.48x = 92,261.82 × 50,015.32
  4. Step 4: Simplify right side
    66,811.48x = 4,614,504,451.08
  5. Step 5: Solve for x
    x = 4,614,504,451.08/66,811.48
  6. Step 6: Final answer
    x = 69,067.54

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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.