Home / 50,778.08-70,074.49-28,117.03

Finding the Fourth Proportional to 50,778.08, 70,074.49 and 28,117.03

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Solution

The fourth proportional to 50,778.08, 70,074.49 and 28,117.03 is: 38,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.08 : 70,074.49 = 28,117.03 : x
  2. Step 2: Convert to fraction form
    50,778.08/70,074.49 = 28,117.03/x
  3. Step 3: Cross multiply
    50,778.08x = 70,074.49 × 28,117.03
  4. Step 4: Simplify right side
    50,778.08x = 1,970,286,537.56
  5. Step 5: Solve for x
    x = 1,970,286,537.56/50,778.08
  6. Step 6: Final answer
    x = 38,801.91

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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.