Home / 66,528.44-99,808.62-22,155.60

Finding the Fourth Proportional to 66,528.44, 99,808.62 and 22,155.60

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Solution

The fourth proportional to 66,528.44, 99,808.62 and 22,155.60 is: 33,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.44 : 99,808.62 = 22,155.60 : x
  2. Step 2: Convert to fraction form
    66,528.44/99,808.62 = 22,155.60/x
  3. Step 3: Cross multiply
    66,528.44x = 99,808.62 × 22,155.60
  4. Step 4: Simplify right side
    66,528.44x = 2,211,319,861.27
  5. Step 5: Solve for x
    x = 2,211,319,861.27/66,528.44
  6. Step 6: Final answer
    x = 33,238.72

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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.