Home / 50,774.72-76,249.20-31,168.40

Finding the Fourth Proportional to 50,774.72, 76,249.20 and 31,168.40

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Solution

The fourth proportional to 50,774.72, 76,249.20 and 31,168.40 is: 46,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,774.72 : 76,249.20 = 31,168.40 : x
  2. Step 2: Convert to fraction form
    50,774.72/76,249.20 = 31,168.40/x
  3. Step 3: Cross multiply
    50,774.72x = 76,249.20 × 31,168.40
  4. Step 4: Simplify right side
    50,774.72x = 2,376,565,565.28
  5. Step 5: Solve for x
    x = 2,376,565,565.28/50,774.72
  6. Step 6: Final answer
    x = 46,806.08

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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.