Home / 45,209.69-67,805.27-17,120.06

Finding the Fourth Proportional to 45,209.69, 67,805.27 and 17,120.06

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Solution

The fourth proportional to 45,209.69, 67,805.27 and 17,120.06 is: 25,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,209.69 : 67,805.27 = 17,120.06 : x
  2. Step 2: Convert to fraction form
    45,209.69/67,805.27 = 17,120.06/x
  3. Step 3: Cross multiply
    45,209.69x = 67,805.27 × 17,120.06
  4. Step 4: Simplify right side
    45,209.69x = 1,160,830,184.56
  5. Step 5: Solve for x
    x = 1,160,830,184.56/45,209.69
  6. Step 6: Final answer
    x = 25,676.58

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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.