Home / 104,662.05-157,029.53-45,540.15

Finding the Fourth Proportional to 104,662.05, 157,029.53 and 45,540.15

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Solution

The fourth proportional to 104,662.05, 157,029.53 and 45,540.15 is: 68,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662.05 : 157,029.53 = 45,540.15 : x
  2. Step 2: Convert to fraction form
    104,662.05/157,029.53 = 45,540.15/x
  3. Step 3: Cross multiply
    104,662.05x = 157,029.53 × 45,540.15
  4. Step 4: Simplify right side
    104,662.05x = 7,151,148,122.93
  5. Step 5: Solve for x
    x = 7,151,148,122.93/104,662.05
  6. Step 6: Final answer
    x = 68,326.08

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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.