Home / 75,678.53-113,513.67-23,083.88

Finding the Fourth Proportional to 75,678.53, 113,513.67 and 23,083.88

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Solution

The fourth proportional to 75,678.53, 113,513.67 and 23,083.88 is: 34,624.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.53 : 113,513.67 = 23,083.88 : x
  2. Step 2: Convert to fraction form
    75,678.53/113,513.67 = 23,083.88/x
  3. Step 3: Cross multiply
    75,678.53x = 113,513.67 × 23,083.88
  4. Step 4: Simplify right side
    75,678.53x = 2,620,335,936.64
  5. Step 5: Solve for x
    x = 2,620,335,936.64/75,678.53
  6. Step 6: Final answer
    x = 34,624.56

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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.