Home / 82,629.36-123,952.23-26,455.35

Finding the Fourth Proportional to 82,629.36, 123,952.23 and 26,455.35

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Solution

The fourth proportional to 82,629.36, 123,952.23 and 26,455.35 is: 39,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,629.36 : 123,952.23 = 26,455.35 : x
  2. Step 2: Convert to fraction form
    82,629.36/123,952.23 = 26,455.35/x
  3. Step 3: Cross multiply
    82,629.36x = 123,952.23 × 26,455.35
  4. Step 4: Simplify right side
    82,629.36x = 3,279,199,627.93
  5. Step 5: Solve for x
    x = 3,279,199,627.93/82,629.36
  6. Step 6: Final answer
    x = 39,685.65

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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.