Home / 66,489.22-99,752.60-27,074.62

Finding the Fourth Proportional to 66,489.22, 99,752.60 and 27,074.62

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Solution

The fourth proportional to 66,489.22, 99,752.60 and 27,074.62 is: 40,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,489.22 : 99,752.60 = 27,074.62 : x
  2. Step 2: Convert to fraction form
    66,489.22/99,752.60 = 27,074.62/x
  3. Step 3: Cross multiply
    66,489.22x = 99,752.60 × 27,074.62
  4. Step 4: Simplify right side
    66,489.22x = 2,700,763,603.64
  5. Step 5: Solve for x
    x = 2,700,763,603.64/66,489.22
  6. Step 6: Final answer
    x = 40,619.57

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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.