Home / 48,743.61-73,120.23-20,274.72

Finding the Fourth Proportional to 48,743.61, 73,120.23 and 20,274.72

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Solution

The fourth proportional to 48,743.61, 73,120.23 and 20,274.72 is: 30,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.61 : 73,120.23 = 20,274.72 : x
  2. Step 2: Convert to fraction form
    48,743.61/73,120.23 = 20,274.72/x
  3. Step 3: Cross multiply
    48,743.61x = 73,120.23 × 20,274.72
  4. Step 4: Simplify right side
    48,743.61x = 1,482,492,189.59
  5. Step 5: Solve for x
    x = 1,482,492,189.59/48,743.61
  6. Step 6: Final answer
    x = 30,414.08

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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.