Home / 107,100.20-160,535.10-40,514.60

Finding the Fourth Proportional to 107,100.20, 160,535.10 and 40,514.60

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Solution

The fourth proportional to 107,100.20, 160,535.10 and 40,514.60 is: 60,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,100.20 : 160,535.10 = 40,514.60 : x
  2. Step 2: Convert to fraction form
    107,100.20/160,535.10 = 40,514.60/x
  3. Step 3: Cross multiply
    107,100.20x = 160,535.10 × 40,514.60
  4. Step 4: Simplify right side
    107,100.20x = 6,504,015,362.46
  5. Step 5: Solve for x
    x = 6,504,015,362.46/107,100.20
  6. Step 6: Final answer
    x = 60,728.32

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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.