Home / 115,101.20-172,661.93-35,157.22

Finding the Fourth Proportional to 115,101.20, 172,661.93 and 35,157.22

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Solution

The fourth proportional to 115,101.20, 172,661.93 and 35,157.22 is: 52,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,101.20 : 172,661.93 = 35,157.22 : x
  2. Step 2: Convert to fraction form
    115,101.20/172,661.93 = 35,157.22/x
  3. Step 3: Cross multiply
    115,101.20x = 172,661.93 × 35,157.22
  4. Step 4: Simplify right side
    115,101.20x = 6,070,313,458.63
  5. Step 5: Solve for x
    x = 6,070,313,458.63/115,101.20
  6. Step 6: Final answer
    x = 52,738.92

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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.