Home / 114,899.22-172,335.06-30,665.70

Finding the Fourth Proportional to 114,899.22, 172,335.06 and 30,665.70

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Solution

The fourth proportional to 114,899.22, 172,335.06 and 30,665.70 is: 45,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,899.22 : 172,335.06 = 30,665.70 : x
  2. Step 2: Convert to fraction form
    114,899.22/172,335.06 = 30,665.70/x
  3. Step 3: Cross multiply
    114,899.22x = 172,335.06 × 30,665.70
  4. Step 4: Simplify right side
    114,899.22x = 5,284,775,249.44
  5. Step 5: Solve for x
    x = 5,284,775,249.44/114,899.22
  6. Step 6: Final answer
    x = 45,994.87

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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.