Home / 50,990.62-70,366.92-28,329.52

Finding the Fourth Proportional to 50,990.62, 70,366.92 and 28,329.52

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Solution

The fourth proportional to 50,990.62, 70,366.92 and 28,329.52 is: 39,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.62 : 70,366.92 = 28,329.52 : x
  2. Step 2: Convert to fraction form
    50,990.62/70,366.92 = 28,329.52/x
  3. Step 3: Cross multiply
    50,990.62x = 70,366.92 × 28,329.52
  4. Step 4: Simplify right side
    50,990.62x = 1,993,461,067.48
  5. Step 5: Solve for x
    x = 1,993,461,067.48/50,990.62
  6. Step 6: Final answer
    x = 39,094.66

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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.