Home / 50,928.22-70,279.89-28,265.89

Finding the Fourth Proportional to 50,928.22, 70,279.89 and 28,265.89

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Solution

The fourth proportional to 50,928.22, 70,279.89 and 28,265.89 is: 39,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.22 : 70,279.89 = 28,265.89 : x
  2. Step 2: Convert to fraction form
    50,928.22/70,279.89 = 28,265.89/x
  3. Step 3: Cross multiply
    50,928.22x = 70,279.89 × 28,265.89
  4. Step 4: Simplify right side
    50,928.22x = 1,986,523,288.55
  5. Step 5: Solve for x
    x = 1,986,523,288.55/50,928.22
  6. Step 6: Final answer
    x = 39,006.33

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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.