Home / 71,729.40-107,561.70-32,266.20

Finding the Fourth Proportional to 71,729.40, 107,561.70 and 32,266.20

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Solution

The fourth proportional to 71,729.40, 107,561.70 and 32,266.20 is: 48,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,729.40 : 107,561.70 = 32,266.20 : x
  2. Step 2: Convert to fraction form
    71,729.40/107,561.70 = 32,266.20/x
  3. Step 3: Cross multiply
    71,729.40x = 107,561.70 × 32,266.20
  4. Step 4: Simplify right side
    71,729.40x = 3,470,607,324.54
  5. Step 5: Solve for x
    x = 3,470,607,324.54/71,729.40
  6. Step 6: Final answer
    x = 48,384.73

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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.