Home / 75,454.43-113,181.62-19,294.65

Finding the Fourth Proportional to 75,454.43, 113,181.62 and 19,294.65

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Solution

The fourth proportional to 75,454.43, 113,181.62 and 19,294.65 is: 28,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,454.43 : 113,181.62 = 19,294.65 : x
  2. Step 2: Convert to fraction form
    75,454.43/113,181.62 = 19,294.65/x
  3. Step 3: Cross multiply
    75,454.43x = 113,181.62 × 19,294.65
  4. Step 4: Simplify right side
    75,454.43x = 2,183,799,647.86
  5. Step 5: Solve for x
    x = 2,183,799,647.86/75,454.43
  6. Step 6: Final answer
    x = 28,941.97

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1.5x scale

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.