Home / 66,532.96-99,815.40-22,160.12

Finding the Fourth Proportional to 66,532.96, 99,815.40 and 22,160.12

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Solution

The fourth proportional to 66,532.96, 99,815.40 and 22,160.12 is: 33,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532.96 : 99,815.40 = 22,160.12 : x
  2. Step 2: Convert to fraction form
    66,532.96/99,815.40 = 22,160.12/x
  3. Step 3: Cross multiply
    66,532.96x = 99,815.40 × 22,160.12
  4. Step 4: Simplify right side
    66,532.96x = 2,211,921,241.85
  5. Step 5: Solve for x
    x = 2,211,921,241.85/66,532.96
  6. Step 6: Final answer
    x = 33,245.50

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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.