Home / 66,551.21-99,826.41-16,631.05

Finding the Fourth Proportional to 66,551.21, 99,826.41 and 16,631.05

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Solution

The fourth proportional to 66,551.21, 99,826.41 and 16,631.05 is: 24,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.21 : 99,826.41 = 16,631.05 : x
  2. Step 2: Convert to fraction form
    66,551.21/99,826.41 = 16,631.05/x
  3. Step 3: Cross multiply
    66,551.21x = 99,826.41 × 16,631.05
  4. Step 4: Simplify right side
    66,551.21x = 1,660,218,016.03
  5. Step 5: Solve for x
    x = 1,660,218,016.03/66,551.21
  6. Step 6: Final answer
    x = 24,946.47

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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.