Home / 109,912.88-164,882.40-35,006.72

Finding the Fourth Proportional to 109,912.88, 164,882.40 and 35,006.72

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Solution

The fourth proportional to 109,912.88, 164,882.40 and 35,006.72 is: 52,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,912.88 : 164,882.40 = 35,006.72 : x
  2. Step 2: Convert to fraction form
    109,912.88/164,882.40 = 35,006.72/x
  3. Step 3: Cross multiply
    109,912.88x = 164,882.40 × 35,006.72
  4. Step 4: Simplify right side
    109,912.88x = 5,771,992,009.73
  5. Step 5: Solve for x
    x = 5,771,992,009.73/109,912.88
  6. Step 6: Final answer
    x = 52,514.25

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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.