Home / 49,334.80-74,002.20-28,266.70

Finding the Fourth Proportional to 49,334.80, 74,002.20 and 28,266.70

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Solution

The fourth proportional to 49,334.80, 74,002.20 and 28,266.70 is: 42,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,334.80 : 74,002.20 = 28,266.70 : x
  2. Step 2: Convert to fraction form
    49,334.80/74,002.20 = 28,266.70/x
  3. Step 3: Cross multiply
    49,334.80x = 74,002.20 × 28,266.70
  4. Step 4: Simplify right side
    49,334.80x = 2,091,797,986.74
  5. Step 5: Solve for x
    x = 2,091,797,986.74/49,334.80
  6. Step 6: Final answer
    x = 42,400.05

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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.