Home / 66,079.44-91,265.32-43,519.28

Finding the Fourth Proportional to 66,079.44, 91,265.32 and 43,519.28

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Solution

The fourth proportional to 66,079.44, 91,265.32 and 43,519.28 is: 60,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,079.44 : 91,265.32 = 43,519.28 : x
  2. Step 2: Convert to fraction form
    66,079.44/91,265.32 = 43,519.28/x
  3. Step 3: Cross multiply
    66,079.44x = 91,265.32 × 43,519.28
  4. Step 4: Simplify right side
    66,079.44x = 3,971,801,015.37
  5. Step 5: Solve for x
    x = 3,971,801,015.37/66,079.44
  6. Step 6: Final answer
    x = 60,106.46

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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.