Home / 82,343.79-123,516.90-26,192.57

Finding the Fourth Proportional to 82,343.79, 123,516.90 and 26,192.57

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Solution

The fourth proportional to 82,343.79, 123,516.90 and 26,192.57 is: 39,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,343.79 : 123,516.90 = 26,192.57 : x
  2. Step 2: Convert to fraction form
    82,343.79/123,516.90 = 26,192.57/x
  3. Step 3: Cross multiply
    82,343.79x = 123,516.90 × 26,192.57
  4. Step 4: Simplify right side
    82,343.79x = 3,235,224,431.85
  5. Step 5: Solve for x
    x = 3,235,224,431.85/82,343.79
  6. Step 6: Final answer
    x = 39,289.23

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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.