Home / 75,250.72-103,845.14-43,418.94

Finding the Fourth Proportional to 75,250.72, 103,845.14 and 43,418.94

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Solution

The fourth proportional to 75,250.72, 103,845.14 and 43,418.94 is: 59,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,250.72 : 103,845.14 = 43,418.94 : x
  2. Step 2: Convert to fraction form
    75,250.72/103,845.14 = 43,418.94/x
  3. Step 3: Cross multiply
    75,250.72x = 103,845.14 × 43,418.94
  4. Step 4: Simplify right side
    75,250.72x = 4,508,845,459.26
  5. Step 5: Solve for x
    x = 4,508,845,459.26/75,250.72
  6. Step 6: Final answer
    x = 59,917.64

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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.