Home / 109,705.16-164,523.72-39,575.36

Finding the Fourth Proportional to 109,705.16, 164,523.72 and 39,575.36

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Solution

The fourth proportional to 109,705.16, 164,523.72 and 39,575.36 is: 59,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,705.16 : 164,523.72 = 39,575.36 : x
  2. Step 2: Convert to fraction form
    109,705.16/164,523.72 = 39,575.36/x
  3. Step 3: Cross multiply
    109,705.16x = 164,523.72 × 39,575.36
  4. Step 4: Simplify right side
    109,705.16x = 6,511,085,447.54
  5. Step 5: Solve for x
    x = 6,511,085,447.54/109,705.16
  6. Step 6: Final answer
    x = 59,350.77

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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.