Home / 66,019.20-99,093.60-32,776.80

Finding the Fourth Proportional to 66,019.20, 99,093.60 and 32,776.80

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Solution

The fourth proportional to 66,019.20, 99,093.60 and 32,776.80 is: 49,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,019.20 : 99,093.60 = 32,776.80 : x
  2. Step 2: Convert to fraction form
    66,019.20/99,093.60 = 32,776.80/x
  3. Step 3: Cross multiply
    66,019.20x = 99,093.60 × 32,776.80
  4. Step 4: Simplify right side
    66,019.20x = 3,247,971,108.48
  5. Step 5: Solve for x
    x = 3,247,971,108.48/66,019.20
  6. Step 6: Final answer
    x = 49,197.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.