Home / 54,452.57-75,140.26-30,574.62

Finding the Fourth Proportional to 54,452.57, 75,140.26 and 30,574.62

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Solution

The fourth proportional to 54,452.57, 75,140.26 and 30,574.62 is: 42,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.57 : 75,140.26 = 30,574.62 : x
  2. Step 2: Convert to fraction form
    54,452.57/75,140.26 = 30,574.62/x
  3. Step 3: Cross multiply
    54,452.57x = 75,140.26 × 30,574.62
  4. Step 4: Simplify right side
    54,452.57x = 2,297,384,819.76
  5. Step 5: Solve for x
    x = 2,297,384,819.76/54,452.57
  6. Step 6: Final answer
    x = 42,190.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.