Home / 75,086.36-103,656.60-43,249.04

Finding the Fourth Proportional to 75,086.36, 103,656.60 and 43,249.04

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Solution

The fourth proportional to 75,086.36, 103,656.60 and 43,249.04 is: 59,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086.36 : 103,656.60 = 43,249.04 : x
  2. Step 2: Convert to fraction form
    75,086.36/103,656.60 = 43,249.04/x
  3. Step 3: Cross multiply
    75,086.36x = 103,656.60 × 43,249.04
  4. Step 4: Simplify right side
    75,086.36x = 4,483,048,439.66
  5. Step 5: Solve for x
    x = 4,483,048,439.66/75,086.36
  6. Step 6: Final answer
    x = 59,705.23

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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.