Home / 31,099.20-46,634.76-8,907.50

Finding the Fourth Proportional to 31,099.20, 46,634.76 and 8,907.50

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Solution

The fourth proportional to 31,099.20, 46,634.76 and 8,907.50 is: 13,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.20 : 46,634.76 = 8,907.50 : x
  2. Step 2: Convert to fraction form
    31,099.20/46,634.76 = 8,907.50/x
  3. Step 3: Cross multiply
    31,099.20x = 46,634.76 × 8,907.50
  4. Step 4: Simplify right side
    31,099.20x = 415,399,124.70
  5. Step 5: Solve for x
    x = 415,399,124.70/31,099.20
  6. Step 6: Final answer
    x = 13,357.23

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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.