Home / 66,012.22-98,874.90-40,634.38

Finding the Fourth Proportional to 66,012.22, 98,874.90 and 40,634.38

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Solution

The fourth proportional to 66,012.22, 98,874.90 and 40,634.38 is: 60,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,012.22 : 98,874.90 = 40,634.38 : x
  2. Step 2: Convert to fraction form
    66,012.22/98,874.90 = 40,634.38/x
  3. Step 3: Cross multiply
    66,012.22x = 98,874.90 × 40,634.38
  4. Step 4: Simplify right side
    66,012.22x = 4,017,720,259.06
  5. Step 5: Solve for x
    x = 4,017,720,259.06/66,012.22
  6. Step 6: Final answer
    x = 60,863.28

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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.