Home / 66,360.20-99,540.30-17,112.20

Finding the Fourth Proportional to 66,360.20, 99,540.30 and 17,112.20

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Solution

The fourth proportional to 66,360.20, 99,540.30 and 17,112.20 is: 25,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.20 : 99,540.30 = 17,112.20 : x
  2. Step 2: Convert to fraction form
    66,360.20/99,540.30 = 17,112.20/x
  3. Step 3: Cross multiply
    66,360.20x = 99,540.30 × 17,112.20
  4. Step 4: Simplify right side
    66,360.20x = 1,703,353,521.66
  5. Step 5: Solve for x
    x = 1,703,353,521.66/66,360.20
  6. Step 6: Final answer
    x = 25,668.30

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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.