Home / 75,821.40-113,732.10-23,230.80

Finding the Fourth Proportional to 75,821.40, 113,732.10 and 23,230.80

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Solution

The fourth proportional to 75,821.40, 113,732.10 and 23,230.80 is: 34,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,821.40 : 113,732.10 = 23,230.80 : x
  2. Step 2: Convert to fraction form
    75,821.40/113,732.10 = 23,230.80/x
  3. Step 3: Cross multiply
    75,821.40x = 113,732.10 × 23,230.80
  4. Step 4: Simplify right side
    75,821.40x = 2,642,087,668.68
  5. Step 5: Solve for x
    x = 2,642,087,668.68/75,821.40
  6. Step 6: Final answer
    x = 34,846.20

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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.