Home / 54,426.03-75,102.12-30,555.33

Finding the Fourth Proportional to 54,426.03, 75,102.12 and 30,555.33

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Solution

The fourth proportional to 54,426.03, 75,102.12 and 30,555.33 is: 42,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,426.03 : 75,102.12 = 30,555.33 : x
  2. Step 2: Convert to fraction form
    54,426.03/75,102.12 = 30,555.33/x
  3. Step 3: Cross multiply
    54,426.03x = 75,102.12 × 30,555.33
  4. Step 4: Simplify right side
    54,426.03x = 2,294,770,060.30
  5. Step 5: Solve for x
    x = 2,294,770,060.30/54,426.03
  6. Step 6: Final answer
    x = 42,163.10

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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.