Home / 115,911.68-173,556.04-73,562.48

Finding the Fourth Proportional to 115,911.68, 173,556.04 and 73,562.48

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Solution

The fourth proportional to 115,911.68, 173,556.04 and 73,562.48 is: 110,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911.68 : 173,556.04 = 73,562.48 : x
  2. Step 2: Convert to fraction form
    115,911.68/173,556.04 = 73,562.48/x
  3. Step 3: Cross multiply
    115,911.68x = 173,556.04 × 73,562.48
  4. Step 4: Simplify right side
    115,911.68x = 12,767,212,721.38
  5. Step 5: Solve for x
    x = 12,767,212,721.38/115,911.68
  6. Step 6: Final answer
    x = 110,146.04

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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.