Home / 66,009.28-91,104.24-50,067.04

Finding the Fourth Proportional to 66,009.28, 91,104.24 and 50,067.04

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Solution

The fourth proportional to 66,009.28, 91,104.24 and 50,067.04 is: 69,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,009.28 : 91,104.24 = 50,067.04 : x
  2. Step 2: Convert to fraction form
    66,009.28/91,104.24 = 50,067.04/x
  3. Step 3: Cross multiply
    66,009.28x = 91,104.24 × 50,067.04
  4. Step 4: Simplify right side
    66,009.28x = 4,561,319,628.25
  5. Step 5: Solve for x
    x = 4,561,319,628.25/66,009.28
  6. Step 6: Final answer
    x = 69,101.19

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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.