Home / 71,183.34-98,228.16-39,351.96

Finding the Fourth Proportional to 71,183.34, 98,228.16 and 39,351.96

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Solution

The fourth proportional to 71,183.34, 98,228.16 and 39,351.96 is: 54,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.34 : 98,228.16 = 39,351.96 : x
  2. Step 2: Convert to fraction form
    71,183.34/98,228.16 = 39,351.96/x
  3. Step 3: Cross multiply
    71,183.34x = 98,228.16 × 39,351.96
  4. Step 4: Simplify right side
    71,183.34x = 3,865,470,623.19
  5. Step 5: Solve for x
    x = 3,865,470,623.19/71,183.34
  6. Step 6: Final answer
    x = 54,303.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.