Home / 68,260.44-102,390.12-26,130.72

Finding the Fourth Proportional to 68,260.44, 102,390.12 and 26,130.72

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Solution

The fourth proportional to 68,260.44, 102,390.12 and 26,130.72 is: 39,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,260.44 : 102,390.12 = 26,130.72 : x
  2. Step 2: Convert to fraction form
    68,260.44/102,390.12 = 26,130.72/x
  3. Step 3: Cross multiply
    68,260.44x = 102,390.12 × 26,130.72
  4. Step 4: Simplify right side
    68,260.44x = 2,675,527,556.49
  5. Step 5: Solve for x
    x = 2,675,527,556.49/68,260.44
  6. Step 6: Final answer
    x = 39,195.87

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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.