Home / 45,335.20-68,002.80-17,615.20

Finding the Fourth Proportional to 45,335.20, 68,002.80 and 17,615.20

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Solution

The fourth proportional to 45,335.20, 68,002.80 and 17,615.20 is: 26,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.20 : 68,002.80 = 17,615.20 : x
  2. Step 2: Convert to fraction form
    45,335.20/68,002.80 = 17,615.20/x
  3. Step 3: Cross multiply
    45,335.20x = 68,002.80 × 17,615.20
  4. Step 4: Simplify right side
    45,335.20x = 1,197,882,922.56
  5. Step 5: Solve for x
    x = 1,197,882,922.56/45,335.20
  6. Step 6: Final answer
    x = 26,422.80

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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.