Home / 50,928.99-70,282.77-28,269.45

Finding the Fourth Proportional to 50,928.99, 70,282.77 and 28,269.45

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Solution

The fourth proportional to 50,928.99, 70,282.77 and 28,269.45 is: 39,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.99 : 70,282.77 = 28,269.45 : x
  2. Step 2: Convert to fraction form
    50,928.99/70,282.77 = 28,269.45/x
  3. Step 3: Cross multiply
    50,928.99x = 70,282.77 × 28,269.45
  4. Step 4: Simplify right side
    50,928.99x = 1,986,855,252.38
  5. Step 5: Solve for x
    x = 1,986,855,252.38/50,928.99
  6. Step 6: Final answer
    x = 39,012.26

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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.