Home / 66,163.20-99,273.60-33,331.20

Finding the Fourth Proportional to 66,163.20, 99,273.60 and 33,331.20

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Solution

The fourth proportional to 66,163.20, 99,273.60 and 33,331.20 is: 50,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,163.20 : 99,273.60 = 33,331.20 : x
  2. Step 2: Convert to fraction form
    66,163.20/99,273.60 = 33,331.20/x
  3. Step 3: Cross multiply
    66,163.20x = 99,273.60 × 33,331.20
  4. Step 4: Simplify right side
    66,163.20x = 3,308,908,216.32
  5. Step 5: Solve for x
    x = 3,308,908,216.32/66,163.20
  6. Step 6: Final answer
    x = 50,011.31

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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.