Home / 66,822.04-100,233.42-20,074.60

Finding the Fourth Proportional to 66,822.04, 100,233.42 and 20,074.60

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Solution

The fourth proportional to 66,822.04, 100,233.42 and 20,074.60 is: 30,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822.04 : 100,233.42 = 20,074.60 : x
  2. Step 2: Convert to fraction form
    66,822.04/100,233.42 = 20,074.60/x
  3. Step 3: Cross multiply
    66,822.04x = 100,233.42 × 20,074.60
  4. Step 4: Simplify right side
    66,822.04x = 2,012,145,813.13
  5. Step 5: Solve for x
    x = 2,012,145,813.13/66,822.04
  6. Step 6: Final answer
    x = 30,112.01

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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.