Home / 45,205.44-67,798.89-17,115.80

Finding the Fourth Proportional to 45,205.44, 67,798.89 and 17,115.80

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Solution

The fourth proportional to 45,205.44, 67,798.89 and 17,115.80 is: 25,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.44 : 67,798.89 = 17,115.80 : x
  2. Step 2: Convert to fraction form
    45,205.44/67,798.89 = 17,115.80/x
  3. Step 3: Cross multiply
    45,205.44x = 67,798.89 × 17,115.80
  4. Step 4: Simplify right side
    45,205.44x = 1,160,432,453.75
  5. Step 5: Solve for x
    x = 1,160,432,453.75/45,205.44
  6. Step 6: Final answer
    x = 25,670.19

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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.