Home / 99,634.06-149,495.10-52,237.81

Finding the Fourth Proportional to 99,634.06, 149,495.10 and 52,237.81

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Solution

The fourth proportional to 99,634.06, 149,495.10 and 52,237.81 is: 78,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,634.06 : 149,495.10 = 52,237.81 : x
  2. Step 2: Convert to fraction form
    99,634.06/149,495.10 = 52,237.81/x
  3. Step 3: Cross multiply
    99,634.06x = 149,495.10 × 52,237.81
  4. Step 4: Simplify right side
    99,634.06x = 7,809,296,629.73
  5. Step 5: Solve for x
    x = 7,809,296,629.73/99,634.06
  6. Step 6: Final answer
    x = 78,379.79

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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.