Home / 50,788.26-70,121.84-31,675.77

Finding the Fourth Proportional to 50,788.26, 70,121.84 and 31,675.77

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Solution

The fourth proportional to 50,788.26, 70,121.84 and 31,675.77 is: 43,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,788.26 : 70,121.84 = 31,675.77 : x
  2. Step 2: Convert to fraction form
    50,788.26/70,121.84 = 31,675.77/x
  3. Step 3: Cross multiply
    50,788.26x = 70,121.84 × 31,675.77
  4. Step 4: Simplify right side
    50,788.26x = 2,221,163,117.44
  5. Step 5: Solve for x
    x = 2,221,163,117.44/50,788.26
  6. Step 6: Final answer
    x = 43,733.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.