Home / 66,198.76-99,242.36-28,730.64

Finding the Fourth Proportional to 66,198.76, 99,242.36 and 28,730.64

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Solution

The fourth proportional to 66,198.76, 99,242.36 and 28,730.64 is: 43,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,198.76 : 99,242.36 = 28,730.64 : x
  2. Step 2: Convert to fraction form
    66,198.76/99,242.36 = 28,730.64/x
  3. Step 3: Cross multiply
    66,198.76x = 99,242.36 × 28,730.64
  4. Step 4: Simplify right side
    66,198.76x = 2,851,296,517.91
  5. Step 5: Solve for x
    x = 2,851,296,517.91/66,198.76
  6. Step 6: Final answer
    x = 43,071.75

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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.