Home / 71,656.28-98,893.68-43,361.36

Finding the Fourth Proportional to 71,656.28, 98,893.68 and 43,361.36

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Solution

The fourth proportional to 71,656.28, 98,893.68 and 43,361.36 is: 59,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,656.28 : 98,893.68 = 43,361.36 : x
  2. Step 2: Convert to fraction form
    71,656.28/98,893.68 = 43,361.36/x
  3. Step 3: Cross multiply
    71,656.28x = 98,893.68 × 43,361.36
  4. Step 4: Simplify right side
    71,656.28x = 4,288,164,460.20
  5. Step 5: Solve for x
    x = 4,288,164,460.20/71,656.28
  6. Step 6: Final answer
    x = 59,843.53

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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.