Home / 70,421.21-105,560.73-44,144.41

Finding the Fourth Proportional to 70,421.21, 105,560.73 and 44,144.41

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Solution

The fourth proportional to 70,421.21, 105,560.73 and 44,144.41 is: 66,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.21 : 105,560.73 = 44,144.41 : x
  2. Step 2: Convert to fraction form
    70,421.21/105,560.73 = 44,144.41/x
  3. Step 3: Cross multiply
    70,421.21x = 105,560.73 × 44,144.41
  4. Step 4: Simplify right side
    70,421.21x = 4,659,916,145.02
  5. Step 5: Solve for x
    x = 4,659,916,145.02/70,421.21
  6. Step 6: Final answer
    x = 66,172.05

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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.