Home / 54,453.80-75,143.61-30,256.29

Finding the Fourth Proportional to 54,453.80, 75,143.61 and 30,256.29

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Solution

The fourth proportional to 54,453.80, 75,143.61 and 30,256.29 is: 41,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.80 : 75,143.61 = 30,256.29 : x
  2. Step 2: Convert to fraction form
    54,453.80/75,143.61 = 30,256.29/x
  3. Step 3: Cross multiply
    54,453.80x = 75,143.61 × 30,256.29
  4. Step 4: Simplify right side
    54,453.80x = 2,273,566,855.81
  5. Step 5: Solve for x
    x = 2,273,566,855.81/54,453.80
  6. Step 6: Final answer
    x = 41,752.21

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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.