Home / 109,394.84-164,121.44-39,274.76

Finding the Fourth Proportional to 109,394.84, 164,121.44 and 39,274.76

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Solution

The fourth proportional to 109,394.84, 164,121.44 and 39,274.76 is: 58,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,394.84 : 164,121.44 = 39,274.76 : x
  2. Step 2: Convert to fraction form
    109,394.84/164,121.44 = 39,274.76/x
  3. Step 3: Cross multiply
    109,394.84x = 164,121.44 × 39,274.76
  4. Step 4: Simplify right side
    109,394.84x = 6,445,830,380.78
  5. Step 5: Solve for x
    x = 6,445,830,380.78/109,394.84
  6. Step 6: Final answer
    x = 58,922.62

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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.