Home / 55,174.84-82,688.46-20,081.32

Finding the Fourth Proportional to 55,174.84, 82,688.46 and 20,081.32

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Solution

The fourth proportional to 55,174.84, 82,688.46 and 20,081.32 is: 30,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174.84 : 82,688.46 = 20,081.32 : x
  2. Step 2: Convert to fraction form
    55,174.84/82,688.46 = 20,081.32/x
  3. Step 3: Cross multiply
    55,174.84x = 82,688.46 × 20,081.32
  4. Step 4: Simplify right side
    55,174.84x = 1,660,493,425.57
  5. Step 5: Solve for x
    x = 1,660,493,425.57/55,174.84
  6. Step 6: Final answer
    x = 30,095.12

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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.