Home / 66,549.21-99,823.41-16,629.05

Finding the Fourth Proportional to 66,549.21, 99,823.41 and 16,629.05

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Solution

The fourth proportional to 66,549.21, 99,823.41 and 16,629.05 is: 24,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,549.21 : 99,823.41 = 16,629.05 : x
  2. Step 2: Convert to fraction form
    66,549.21/99,823.41 = 16,629.05/x
  3. Step 3: Cross multiply
    66,549.21x = 99,823.41 × 16,629.05
  4. Step 4: Simplify right side
    66,549.21x = 1,659,967,976.94
  5. Step 5: Solve for x
    x = 1,659,967,976.94/66,549.21
  6. Step 6: Final answer
    x = 24,943.47

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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.