Home / 115,628.12-173,300.16-65,749.94

Finding the Fourth Proportional to 115,628.12, 173,300.16 and 65,749.94

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Solution

The fourth proportional to 115,628.12, 173,300.16 and 65,749.94 is: 98,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,628.12 : 173,300.16 = 65,749.94 : x
  2. Step 2: Convert to fraction form
    115,628.12/173,300.16 = 65,749.94/x
  3. Step 3: Cross multiply
    115,628.12x = 173,300.16 × 65,749.94
  4. Step 4: Simplify right side
    115,628.12x = 11,394,475,121.99
  5. Step 5: Solve for x
    x = 11,394,475,121.99/115,628.12
  6. Step 6: Final answer
    x = 98,544.15

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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.