Home / 109,819.20-164,727.36-26,713.28

Finding the Fourth Proportional to 109,819.20, 164,727.36 and 26,713.28

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Solution

The fourth proportional to 109,819.20, 164,727.36 and 26,713.28 is: 40,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.20 : 164,727.36 = 26,713.28 : x
  2. Step 2: Convert to fraction form
    109,819.20/164,727.36 = 26,713.28/x
  3. Step 3: Cross multiply
    109,819.20x = 164,727.36 × 26,713.28
  4. Step 4: Simplify right side
    109,819.20x = 4,400,408,091.34
  5. Step 5: Solve for x
    x = 4,400,408,091.34/109,819.20
  6. Step 6: Final answer
    x = 40,069.57

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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.