Home / 50,213.42-75,172.20-43,985.60

Finding the Fourth Proportional to 50,213.42, 75,172.20 and 43,985.60

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Solution

The fourth proportional to 50,213.42, 75,172.20 and 43,985.60 is: 65,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,213.42 : 75,172.20 = 43,985.60 : x
  2. Step 2: Convert to fraction form
    50,213.42/75,172.20 = 43,985.60/x
  3. Step 3: Cross multiply
    50,213.42x = 75,172.20 × 43,985.60
  4. Step 4: Simplify right side
    50,213.42x = 3,306,494,320.32
  5. Step 5: Solve for x
    x = 3,306,494,320.32/50,213.42
  6. Step 6: Final answer
    x = 65,848.82

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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.