Home / 90,764.64-125,249.76-50,476.32

Finding the Fourth Proportional to 90,764.64, 125,249.76 and 50,476.32

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Solution

The fourth proportional to 90,764.64, 125,249.76 and 50,476.32 is: 69,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,764.64 : 125,249.76 = 50,476.32 : x
  2. Step 2: Convert to fraction form
    90,764.64/125,249.76 = 50,476.32/x
  3. Step 3: Cross multiply
    90,764.64x = 125,249.76 × 50,476.32
  4. Step 4: Simplify right side
    90,764.64x = 6,322,146,965.68
  5. Step 5: Solve for x
    x = 6,322,146,965.68/90,764.64
  6. Step 6: Final answer
    x = 69,654.29

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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.