Home / 74,048.40-111,072.60-50,428.80

Finding the Fourth Proportional to 74,048.40, 111,072.60 and 50,428.80

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Solution

The fourth proportional to 74,048.40, 111,072.60 and 50,428.80 is: 75,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.40 : 111,072.60 = 50,428.80 : x
  2. Step 2: Convert to fraction form
    74,048.40/111,072.60 = 50,428.80/x
  3. Step 3: Cross multiply
    74,048.40x = 111,072.60 × 50,428.80
  4. Step 4: Simplify right side
    74,048.40x = 5,601,257,930.88
  5. Step 5: Solve for x
    x = 5,601,257,930.88/74,048.40
  6. Step 6: Final answer
    x = 75,643.20

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1.5x scale

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.