Home / 115,066.44-172,641.11-40,197.60

Finding the Fourth Proportional to 115,066.44, 172,641.11 and 40,197.60

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Solution

The fourth proportional to 115,066.44, 172,641.11 and 40,197.60 is: 60,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,066.44 : 172,641.11 = 40,197.60 : x
  2. Step 2: Convert to fraction form
    115,066.44/172,641.11 = 40,197.60/x
  3. Step 3: Cross multiply
    115,066.44x = 172,641.11 × 40,197.60
  4. Step 4: Simplify right side
    115,066.44x = 6,939,758,082.35
  5. Step 5: Solve for x
    x = 6,939,758,082.35/115,066.44
  6. Step 6: Final answer
    x = 60,310.88

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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.