Home / 115,031.96-172,550.33-30,792.02

Finding the Fourth Proportional to 115,031.96, 172,550.33 and 30,792.02

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Solution

The fourth proportional to 115,031.96, 172,550.33 and 30,792.02 is: 46,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,031.96 : 172,550.33 = 30,792.02 : x
  2. Step 2: Convert to fraction form
    115,031.96/172,550.33 = 30,792.02/x
  3. Step 3: Cross multiply
    115,031.96x = 172,550.33 × 30,792.02
  4. Step 4: Simplify right side
    115,031.96x = 5,313,173,940.22
  5. Step 5: Solve for x
    x = 5,313,173,940.22/115,031.96
  6. Step 6: Final answer
    x = 46,188.67

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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.