Home / 45,095.88-67,632.86-18,786.28

Finding the Fourth Proportional to 45,095.88, 67,632.86 and 18,786.28

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Solution

The fourth proportional to 45,095.88, 67,632.86 and 18,786.28 is: 28,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.88 : 67,632.86 = 18,786.28 : x
  2. Step 2: Convert to fraction form
    45,095.88/67,632.86 = 18,786.28/x
  3. Step 3: Cross multiply
    45,095.88x = 67,632.86 × 18,786.28
  4. Step 4: Simplify right side
    45,095.88x = 1,270,569,845.16
  5. Step 5: Solve for x
    x = 1,270,569,845.16/45,095.88
  6. Step 6: Final answer
    x = 28,174.85

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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.