Home / 75,966.44-113,990.46-31,623.80

Finding the Fourth Proportional to 75,966.44, 113,990.46 and 31,623.80

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Solution

The fourth proportional to 75,966.44, 113,990.46 and 31,623.80 is: 47,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,966.44 : 113,990.46 = 31,623.80 : x
  2. Step 2: Convert to fraction form
    75,966.44/113,990.46 = 31,623.80/x
  3. Step 3: Cross multiply
    75,966.44x = 113,990.46 × 31,623.80
  4. Step 4: Simplify right side
    75,966.44x = 3,604,811,508.95
  5. Step 5: Solve for x
    x = 3,604,811,508.95/75,966.44
  6. Step 6: Final answer
    x = 47,452.68

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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.