Home / 91,197.58-125,859-50,919.26

Finding the Fourth Proportional to 91,197.58, 125,859 and 50,919.26

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Solution

The fourth proportional to 91,197.58, 125,859 and 50,919.26 is: 70,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,197.58 : 125,859 = 50,919.26 : x
  2. Step 2: Convert to fraction form
    91,197.58/125,859 = 50,919.26/x
  3. Step 3: Cross multiply
    91,197.58x = 125,859 × 50,919.26
  4. Step 4: Simplify right side
    91,197.58x = 6,408,647,144.34
  5. Step 5: Solve for x
    x = 6,408,647,144.34/91,197.58
  6. Step 6: Final answer
    x = 70,272.12

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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.