Home / 75,911.22-113,907.96-31,568.58

Finding the Fourth Proportional to 75,911.22, 113,907.96 and 31,568.58

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Solution

The fourth proportional to 75,911.22, 113,907.96 and 31,568.58 is: 47,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.22 : 113,907.96 = 31,568.58 : x
  2. Step 2: Convert to fraction form
    75,911.22/113,907.96 = 31,568.58/x
  3. Step 3: Cross multiply
    75,911.22x = 113,907.96 × 31,568.58
  4. Step 4: Simplify right side
    75,911.22x = 3,595,912,547.90
  5. Step 5: Solve for x
    x = 3,595,912,547.90/75,911.22
  6. Step 6: Final answer
    x = 47,369.97

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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.