Home / 82,576.17-123,864.21-20,246.67

Finding the Fourth Proportional to 82,576.17, 123,864.21 and 20,246.67

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Solution

The fourth proportional to 82,576.17, 123,864.21 and 20,246.67 is: 30,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,576.17 : 123,864.21 = 20,246.67 : x
  2. Step 2: Convert to fraction form
    82,576.17/123,864.21 = 20,246.67/x
  3. Step 3: Cross multiply
    82,576.17x = 123,864.21 × 20,246.67
  4. Step 4: Simplify right side
    82,576.17x = 2,507,837,784.68
  5. Step 5: Solve for x
    x = 2,507,837,784.68/82,576.17
  6. Step 6: Final answer
    x = 30,369.99

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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.