Home / 54,561.33-75,293.87-30,687.98

Finding the Fourth Proportional to 54,561.33, 75,293.87 and 30,687.98

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Solution

The fourth proportional to 54,561.33, 75,293.87 and 30,687.98 is: 42,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.33 : 75,293.87 = 30,687.98 : x
  2. Step 2: Convert to fraction form
    54,561.33/75,293.87 = 30,687.98/x
  3. Step 3: Cross multiply
    54,561.33x = 75,293.87 × 30,687.98
  4. Step 4: Simplify right side
    54,561.33x = 2,310,616,246.77
  5. Step 5: Solve for x
    x = 2,310,616,246.77/54,561.33
  6. Step 6: Final answer
    x = 42,348.97

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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.