Home / 49,912.40-74,868.60-46,110.80

Finding the Fourth Proportional to 49,912.40, 74,868.60 and 46,110.80

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Solution

The fourth proportional to 49,912.40, 74,868.60 and 46,110.80 is: 69,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.40 : 74,868.60 = 46,110.80 : x
  2. Step 2: Convert to fraction form
    49,912.40/74,868.60 = 46,110.80/x
  3. Step 3: Cross multiply
    49,912.40x = 74,868.60 × 46,110.80
  4. Step 4: Simplify right side
    49,912.40x = 3,452,251,040.88
  5. Step 5: Solve for x
    x = 3,452,251,040.88/49,912.40
  6. Step 6: Final answer
    x = 69,166.20

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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.