Home / 75,012.32-103,519.20-41,022.80

Finding the Fourth Proportional to 75,012.32, 103,519.20 and 41,022.80

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Solution

The fourth proportional to 75,012.32, 103,519.20 and 41,022.80 is: 56,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,012.32 : 103,519.20 = 41,022.80 : x
  2. Step 2: Convert to fraction form
    75,012.32/103,519.20 = 41,022.80/x
  3. Step 3: Cross multiply
    75,012.32x = 103,519.20 × 41,022.80
  4. Step 4: Simplify right side
    75,012.32x = 4,246,647,437.76
  5. Step 5: Solve for x
    x = 4,246,647,437.76/75,012.32
  6. Step 6: Final answer
    x = 56,612.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.