Home / 45,083.96-67,632.10-18,782.56

Finding the Fourth Proportional to 45,083.96, 67,632.10 and 18,782.56

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Solution

The fourth proportional to 45,083.96, 67,632.10 and 18,782.56 is: 28,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.96 : 67,632.10 = 18,782.56 : x
  2. Step 2: Convert to fraction form
    45,083.96/67,632.10 = 18,782.56/x
  3. Step 3: Cross multiply
    45,083.96x = 67,632.10 × 18,782.56
  4. Step 4: Simplify right side
    45,083.96x = 1,270,303,976.18
  5. Step 5: Solve for x
    x = 1,270,303,976.18/45,083.96
  6. Step 6: Final answer
    x = 28,176.41

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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.