Home / 49,680.95-74,519.73-16,400.21

Finding the Fourth Proportional to 49,680.95, 74,519.73 and 16,400.21

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Solution

The fourth proportional to 49,680.95, 74,519.73 and 16,400.21 is: 24,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.95 : 74,519.73 = 16,400.21 : x
  2. Step 2: Convert to fraction form
    49,680.95/74,519.73 = 16,400.21/x
  3. Step 3: Cross multiply
    49,680.95x = 74,519.73 × 16,400.21
  4. Step 4: Simplify right side
    49,680.95x = 1,222,138,848.54
  5. Step 5: Solve for x
    x = 1,222,138,848.54/49,680.95
  6. Step 6: Final answer
    x = 24,599.75

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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.