Home / 49,515.20-74,273.88-12,075.54

Finding the Fourth Proportional to 49,515.20, 74,273.88 and 12,075.54

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Solution

The fourth proportional to 49,515.20, 74,273.88 and 12,075.54 is: 18,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.20 : 74,273.88 = 12,075.54 : x
  2. Step 2: Convert to fraction form
    49,515.20/74,273.88 = 12,075.54/x
  3. Step 3: Cross multiply
    49,515.20x = 74,273.88 × 12,075.54
  4. Step 4: Simplify right side
    49,515.20x = 896,897,208.90
  5. Step 5: Solve for x
    x = 896,897,208.90/49,515.20
  6. Step 6: Final answer
    x = 18,113.57

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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.