Home / 66,522.64-99,773.04-22,143.60

Finding the Fourth Proportional to 66,522.64, 99,773.04 and 22,143.60

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Solution

The fourth proportional to 66,522.64, 99,773.04 and 22,143.60 is: 33,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522.64 : 99,773.04 = 22,143.60 : x
  2. Step 2: Convert to fraction form
    66,522.64/99,773.04 = 22,143.60/x
  3. Step 3: Cross multiply
    66,522.64x = 99,773.04 × 22,143.60
  4. Step 4: Simplify right side
    66,522.64x = 2,209,334,288.54
  5. Step 5: Solve for x
    x = 2,209,334,288.54/66,522.64
  6. Step 6: Final answer
    x = 33,211.77

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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.