Home / 50,855.15-70,173.59-28,193.91

Finding the Fourth Proportional to 50,855.15, 70,173.59 and 28,193.91

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Solution

The fourth proportional to 50,855.15, 70,173.59 and 28,193.91 is: 38,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.15 : 70,173.59 = 28,193.91 : x
  2. Step 2: Convert to fraction form
    50,855.15/70,173.59 = 28,193.91/x
  3. Step 3: Cross multiply
    50,855.15x = 70,173.59 × 28,193.91
  4. Step 4: Simplify right side
    50,855.15x = 1,978,467,739.87
  5. Step 5: Solve for x
    x = 1,978,467,739.87/50,855.15
  6. Step 6: Final answer
    x = 38,903.98

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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.