Home / 99,202.03-136,819.61-65,245.36

Finding the Fourth Proportional to 99,202.03, 136,819.61 and 65,245.36

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Solution

The fourth proportional to 99,202.03, 136,819.61 and 65,245.36 is: 89,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,202.03 : 136,819.61 = 65,245.36 : x
  2. Step 2: Convert to fraction form
    99,202.03/136,819.61 = 65,245.36/x
  3. Step 3: Cross multiply
    99,202.03x = 136,819.61 × 65,245.36
  4. Step 4: Simplify right side
    99,202.03x = 8,926,844,709.51
  5. Step 5: Solve for x
    x = 8,926,844,709.51/99,202.03
  6. Step 6: Final answer
    x = 89,986.51

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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.