Home / 82,586.57-123,878.16-26,426.67

Finding the Fourth Proportional to 82,586.57, 123,878.16 and 26,426.67

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Solution

The fourth proportional to 82,586.57, 123,878.16 and 26,426.67 is: 39,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,586.57 : 123,878.16 = 26,426.67 : x
  2. Step 2: Convert to fraction form
    82,586.57/123,878.16 = 26,426.67/x
  3. Step 3: Cross multiply
    82,586.57x = 123,878.16 × 26,426.67
  4. Step 4: Simplify right side
    82,586.57x = 3,273,686,789.98
  5. Step 5: Solve for x
    x = 3,273,686,789.98/82,586.57
  6. Step 6: Final answer
    x = 39,639.46

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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.