Home / 67,113.89-100,536.44-40,445.04

Finding the Fourth Proportional to 67,113.89, 100,536.44 and 40,445.04

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Solution

The fourth proportional to 67,113.89, 100,536.44 and 40,445.04 is: 60,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.89 : 100,536.44 = 40,445.04 : x
  2. Step 2: Convert to fraction form
    67,113.89/100,536.44 = 40,445.04/x
  3. Step 3: Cross multiply
    67,113.89x = 100,536.44 × 40,445.04
  4. Step 4: Simplify right side
    67,113.89x = 4,066,200,135.03
  5. Step 5: Solve for x
    x = 4,066,200,135.03/67,113.89
  6. Step 6: Final answer
    x = 60,586.57

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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.