Home / 70,020.33-105,077.20-36,317.41

Finding the Fourth Proportional to 70,020.33, 105,077.20 and 36,317.41

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Solution

The fourth proportional to 70,020.33, 105,077.20 and 36,317.41 is: 54,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,020.33 : 105,077.20 = 36,317.41 : x
  2. Step 2: Convert to fraction form
    70,020.33/105,077.20 = 36,317.41/x
  3. Step 3: Cross multiply
    70,020.33x = 105,077.20 × 36,317.41
  4. Step 4: Simplify right side
    70,020.33x = 3,816,131,754.05
  5. Step 5: Solve for x
    x = 3,816,131,754.05/70,020.33
  6. Step 6: Final answer
    x = 54,500.34

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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.