Home / 79,505.44-119,262.29-20,341.62

Finding the Fourth Proportional to 79,505.44, 119,262.29 and 20,341.62

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Solution

The fourth proportional to 79,505.44, 119,262.29 and 20,341.62 is: 30,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,505.44 : 119,262.29 = 20,341.62 : x
  2. Step 2: Convert to fraction form
    79,505.44/119,262.29 = 20,341.62/x
  3. Step 3: Cross multiply
    79,505.44x = 119,262.29 × 20,341.62
  4. Step 4: Simplify right side
    79,505.44x = 2,425,988,183.51
  5. Step 5: Solve for x
    x = 2,425,988,183.51/79,505.44
  6. Step 6: Final answer
    x = 30,513.49

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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.