Home / 45,208.14-67,823.49-31,907.12

Finding the Fourth Proportional to 45,208.14, 67,823.49 and 31,907.12

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Solution

The fourth proportional to 45,208.14, 67,823.49 and 31,907.12 is: 47,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208.14 : 67,823.49 = 31,907.12 : x
  2. Step 2: Convert to fraction form
    45,208.14/67,823.49 = 31,907.12/x
  3. Step 3: Cross multiply
    45,208.14x = 67,823.49 × 31,907.12
  4. Step 4: Simplify right side
    45,208.14x = 2,164,052,234.25
  5. Step 5: Solve for x
    x = 2,164,052,234.25/45,208.14
  6. Step 6: Final answer
    x = 47,868.64

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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.