Home / 50,730.60-70,010.30-28,069.23

Finding the Fourth Proportional to 50,730.60, 70,010.30 and 28,069.23

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Solution

The fourth proportional to 50,730.60, 70,010.30 and 28,069.23 is: 38,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.60 : 70,010.30 = 28,069.23 : x
  2. Step 2: Convert to fraction form
    50,730.60/70,010.30 = 28,069.23/x
  3. Step 3: Cross multiply
    50,730.60x = 70,010.30 × 28,069.23
  4. Step 4: Simplify right side
    50,730.60x = 1,965,135,072.72
  5. Step 5: Solve for x
    x = 1,965,135,072.72/50,730.60
  6. Step 6: Final answer
    x = 38,736.68

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1.5x scale

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.