Home / 66,522.44-99,641.79-53,817.68

Finding the Fourth Proportional to 66,522.44, 99,641.79 and 53,817.68

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Solution

The fourth proportional to 66,522.44, 99,641.79 and 53,817.68 is: 80,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522.44 : 99,641.79 = 53,817.68 : x
  2. Step 2: Convert to fraction form
    66,522.44/99,641.79 = 53,817.68/x
  3. Step 3: Cross multiply
    66,522.44x = 99,641.79 × 53,817.68
  4. Step 4: Simplify right side
    66,522.44x = 5,362,489,968.85
  5. Step 5: Solve for x
    x = 5,362,489,968.85/66,522.44
  6. Step 6: Final answer
    x = 80,611.74

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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.