Home / 45,665.28-68,503.44-17,578.80

Finding the Fourth Proportional to 45,665.28, 68,503.44 and 17,578.80

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Solution

The fourth proportional to 45,665.28, 68,503.44 and 17,578.80 is: 26,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.28 : 68,503.44 = 17,578.80 : x
  2. Step 2: Convert to fraction form
    45,665.28/68,503.44 = 17,578.80/x
  3. Step 3: Cross multiply
    45,665.28x = 68,503.44 × 17,578.80
  4. Step 4: Simplify right side
    45,665.28x = 1,204,208,271.07
  5. Step 5: Solve for x
    x = 1,204,208,271.07/45,665.28
  6. Step 6: Final answer
    x = 26,370.32

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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.