Home / 102,917.72-154,354.98-29,028.44

Finding the Fourth Proportional to 102,917.72, 154,354.98 and 29,028.44

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Solution

The fourth proportional to 102,917.72, 154,354.98 and 29,028.44 is: 43,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,917.72 : 154,354.98 = 29,028.44 : x
  2. Step 2: Convert to fraction form
    102,917.72/154,354.98 = 29,028.44/x
  3. Step 3: Cross multiply
    102,917.72x = 154,354.98 × 29,028.44
  4. Step 4: Simplify right side
    102,917.72x = 4,480,684,275.63
  5. Step 5: Solve for x
    x = 4,480,684,275.63/102,917.72
  6. Step 6: Final answer
    x = 43,536.57

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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.