Home / 79,514.56-119,202.72-30,301.12

Finding the Fourth Proportional to 79,514.56, 119,202.72 and 30,301.12

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Solution

The fourth proportional to 79,514.56, 119,202.72 and 30,301.12 is: 45,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,514.56 : 119,202.72 = 30,301.12 : x
  2. Step 2: Convert to fraction form
    79,514.56/119,202.72 = 30,301.12/x
  3. Step 3: Cross multiply
    79,514.56x = 119,202.72 × 30,301.12
  4. Step 4: Simplify right side
    79,514.56x = 3,611,975,923.05
  5. Step 5: Solve for x
    x = 3,611,975,923.05/79,514.56
  6. Step 6: Final answer
    x = 45,425.34

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1.5x scale

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.