Home / 66,550.20-100,019.70-57,996.60

Finding the Fourth Proportional to 66,550.20, 100,019.70 and 57,996.60

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Solution

The fourth proportional to 66,550.20, 100,019.70 and 57,996.60 is: 87,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,550.20 : 100,019.70 = 57,996.60 : x
  2. Step 2: Convert to fraction form
    66,550.20/100,019.70 = 57,996.60/x
  3. Step 3: Cross multiply
    66,550.20x = 100,019.70 × 57,996.60
  4. Step 4: Simplify right side
    66,550.20x = 5,800,802,533.02
  5. Step 5: Solve for x
    x = 5,800,802,533.02/66,550.20
  6. Step 6: Final answer
    x = 87,164.31

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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.