Home / 75,926.78-113,893.18-28,537.10

Finding the Fourth Proportional to 75,926.78, 113,893.18 and 28,537.10

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Solution

The fourth proportional to 75,926.78, 113,893.18 and 28,537.10 is: 42,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,926.78 : 113,893.18 = 28,537.10 : x
  2. Step 2: Convert to fraction form
    75,926.78/113,893.18 = 28,537.10/x
  3. Step 3: Cross multiply
    75,926.78x = 113,893.18 × 28,537.10
  4. Step 4: Simplify right side
    75,926.78x = 3,250,181,066.98
  5. Step 5: Solve for x
    x = 3,250,181,066.98/75,926.78
  6. Step 6: Final answer
    x = 42,806.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.