Home / 75,087.88-103,579.77-48,234.36

Finding the Fourth Proportional to 75,087.88, 103,579.77 and 48,234.36

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Solution

The fourth proportional to 75,087.88, 103,579.77 and 48,234.36 is: 66,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.88 : 103,579.77 = 48,234.36 : x
  2. Step 2: Convert to fraction form
    75,087.88/103,579.77 = 48,234.36/x
  3. Step 3: Cross multiply
    75,087.88x = 103,579.77 × 48,234.36
  4. Step 4: Simplify right side
    75,087.88x = 4,996,103,914.90
  5. Step 5: Solve for x
    x = 4,996,103,914.90/75,087.88
  6. Step 6: Final answer
    x = 66,536.76

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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.