Home / 66,549.05-99,823.84-16,629.20

Finding the Fourth Proportional to 66,549.05, 99,823.84 and 16,629.20

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Solution

The fourth proportional to 66,549.05, 99,823.84 and 16,629.20 is: 24,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,549.05 : 99,823.84 = 16,629.20 : x
  2. Step 2: Convert to fraction form
    66,549.05/99,823.84 = 16,629.20/x
  3. Step 3: Cross multiply
    66,549.05x = 99,823.84 × 16,629.20
  4. Step 4: Simplify right side
    66,549.05x = 1,659,990,790.55
  5. Step 5: Solve for x
    x = 1,659,990,790.55/66,549.05
  6. Step 6: Final answer
    x = 24,943.87

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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.