Home / 104,902.17-144,819.74-81,882.57

Finding the Fourth Proportional to 104,902.17, 144,819.74 and 81,882.57

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Solution

The fourth proportional to 104,902.17, 144,819.74 and 81,882.57 is: 113,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,902.17 : 144,819.74 = 81,882.57 : x
  2. Step 2: Convert to fraction form
    104,902.17/144,819.74 = 81,882.57/x
  3. Step 3: Cross multiply
    104,902.17x = 144,819.74 × 81,882.57
  4. Step 4: Simplify right side
    104,902.17x = 11,858,212,088.52
  5. Step 5: Solve for x
    x = 11,858,212,088.52/104,902.17
  6. Step 6: Final answer
    x = 113,040.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.