Home / 66,198.84-99,242.25-28,730.57

Finding the Fourth Proportional to 66,198.84, 99,242.25 and 28,730.57

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Solution

The fourth proportional to 66,198.84, 99,242.25 and 28,730.57 is: 43,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,198.84 : 99,242.25 = 28,730.57 : x
  2. Step 2: Convert to fraction form
    66,198.84/99,242.25 = 28,730.57/x
  3. Step 3: Cross multiply
    66,198.84x = 99,242.25 × 28,730.57
  4. Step 4: Simplify right side
    66,198.84x = 2,851,285,806.63
  5. Step 5: Solve for x
    x = 2,851,285,806.63/66,198.84
  6. Step 6: Final answer
    x = 43,071.54

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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.