Home / 104,977.22-157,418.43-30,080.21

Finding the Fourth Proportional to 104,977.22, 157,418.43 and 30,080.21

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Solution

The fourth proportional to 104,977.22, 157,418.43 and 30,080.21 is: 45,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.22 : 157,418.43 = 30,080.21 : x
  2. Step 2: Convert to fraction form
    104,977.22/157,418.43 = 30,080.21/x
  3. Step 3: Cross multiply
    104,977.22x = 157,418.43 × 30,080.21
  4. Step 4: Simplify right side
    104,977.22x = 4,735,179,432.27
  5. Step 5: Solve for x
    x = 4,735,179,432.27/104,977.22
  6. Step 6: Final answer
    x = 45,106.73

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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.