Home / 68,288.26-102,435.63-33,186.10

Finding the Fourth Proportional to 68,288.26, 102,435.63 and 33,186.10

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Solution

The fourth proportional to 68,288.26, 102,435.63 and 33,186.10 is: 49,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.26 : 102,435.63 = 33,186.10 : x
  2. Step 2: Convert to fraction form
    68,288.26/102,435.63 = 33,186.10/x
  3. Step 3: Cross multiply
    68,288.26x = 102,435.63 × 33,186.10
  4. Step 4: Simplify right side
    68,288.26x = 3,399,439,060.74
  5. Step 5: Solve for x
    x = 3,399,439,060.74/68,288.26
  6. Step 6: Final answer
    x = 49,780.72

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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.