Home / 54,479.97-75,178.26-30,601.98

Finding the Fourth Proportional to 54,479.97, 75,178.26 and 30,601.98

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Solution

The fourth proportional to 54,479.97, 75,178.26 and 30,601.98 is: 42,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.97 : 75,178.26 = 30,601.98 : x
  2. Step 2: Convert to fraction form
    54,479.97/75,178.26 = 30,601.98/x
  3. Step 3: Cross multiply
    54,479.97x = 75,178.26 × 30,601.98
  4. Step 4: Simplify right side
    54,479.97x = 2,300,603,608.95
  5. Step 5: Solve for x
    x = 2,300,603,608.95/54,479.97
  6. Step 6: Final answer
    x = 42,228.43

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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.