Home / 45,309.87-67,964.67-15,727.59

Finding the Fourth Proportional to 45,309.87, 67,964.67 and 15,727.59

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Solution

The fourth proportional to 45,309.87, 67,964.67 and 15,727.59 is: 23,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309.87 : 67,964.67 = 15,727.59 : x
  2. Step 2: Convert to fraction form
    45,309.87/67,964.67 = 15,727.59/x
  3. Step 3: Cross multiply
    45,309.87x = 67,964.67 × 15,727.59
  4. Step 4: Simplify right side
    45,309.87x = 1,068,920,464.25
  5. Step 5: Solve for x
    x = 1,068,920,464.25/45,309.87
  6. Step 6: Final answer
    x = 23,591.34

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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.