Home / 49,912.48-74,868.72-12,975.52

Finding the Fourth Proportional to 49,912.48, 74,868.72 and 12,975.52

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Solution

The fourth proportional to 49,912.48, 74,868.72 and 12,975.52 is: 19,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.48 : 74,868.72 = 12,975.52 : x
  2. Step 2: Convert to fraction form
    49,912.48/74,868.72 = 12,975.52/x
  3. Step 3: Cross multiply
    49,912.48x = 74,868.72 × 12,975.52
  4. Step 4: Simplify right side
    49,912.48x = 971,460,573.73
  5. Step 5: Solve for x
    x = 971,460,573.73/49,912.48
  6. Step 6: Final answer
    x = 19,463.28

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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.