Home / 45,820.08-68,786.28-28,324.08

Finding the Fourth Proportional to 45,820.08, 68,786.28 and 28,324.08

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Solution

The fourth proportional to 45,820.08, 68,786.28 and 28,324.08 is: 42,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.08 : 68,786.28 = 28,324.08 : x
  2. Step 2: Convert to fraction form
    45,820.08/68,786.28 = 28,324.08/x
  3. Step 3: Cross multiply
    45,820.08x = 68,786.28 × 28,324.08
  4. Step 4: Simplify right side
    45,820.08x = 1,948,308,097.62
  5. Step 5: Solve for x
    x = 1,948,308,097.62/45,820.08
  6. Step 6: Final answer
    x = 42,520.84

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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.