Home / 82,626.24-123,633.12-49,364.40

Finding the Fourth Proportional to 82,626.24, 123,633.12 and 49,364.40

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Solution

The fourth proportional to 82,626.24, 123,633.12 and 49,364.40 is: 73,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,626.24 : 123,633.12 = 49,364.40 : x
  2. Step 2: Convert to fraction form
    82,626.24/123,633.12 = 49,364.40/x
  3. Step 3: Cross multiply
    82,626.24x = 123,633.12 × 49,364.40
  4. Step 4: Simplify right side
    82,626.24x = 6,103,074,788.93
  5. Step 5: Solve for x
    x = 6,103,074,788.93/82,626.24
  6. Step 6: Final answer
    x = 73,863.64

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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.