Home / 50,982.21-76,386.95-31,219.48

Finding the Fourth Proportional to 50,982.21, 76,386.95 and 31,219.48

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Solution

The fourth proportional to 50,982.21, 76,386.95 and 31,219.48 is: 46,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,982.21 : 76,386.95 = 31,219.48 : x
  2. Step 2: Convert to fraction form
    50,982.21/76,386.95 = 31,219.48/x
  3. Step 3: Cross multiply
    50,982.21x = 76,386.95 × 31,219.48
  4. Step 4: Simplify right side
    50,982.21x = 2,384,760,484.57
  5. Step 5: Solve for x
    x = 2,384,760,484.57/50,982.21
  6. Step 6: Final answer
    x = 46,776.33

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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.