Home / 66,035.22-99,065.16-21,674.67

Finding the Fourth Proportional to 66,035.22, 99,065.16 and 21,674.67

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Solution

The fourth proportional to 66,035.22, 99,065.16 and 21,674.67 is: 32,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035.22 : 99,065.16 = 21,674.67 : x
  2. Step 2: Convert to fraction form
    66,035.22/99,065.16 = 21,674.67/x
  3. Step 3: Cross multiply
    66,035.22x = 99,065.16 × 21,674.67
  4. Step 4: Simplify right side
    66,035.22x = 2,147,204,651.50
  5. Step 5: Solve for x
    x = 2,147,204,651.50/66,035.22
  6. Step 6: Final answer
    x = 32,516.05

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1.5x scale

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.