Home / 54,193.24-74,783.20-30,315.80

Finding the Fourth Proportional to 54,193.24, 74,783.20 and 30,315.80

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Solution

The fourth proportional to 54,193.24, 74,783.20 and 30,315.80 is: 41,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.24 : 74,783.20 = 30,315.80 : x
  2. Step 2: Convert to fraction form
    54,193.24/74,783.20 = 30,315.80/x
  3. Step 3: Cross multiply
    54,193.24x = 74,783.20 × 30,315.80
  4. Step 4: Simplify right side
    54,193.24x = 2,267,112,534.56
  5. Step 5: Solve for x
    x = 2,267,112,534.56/54,193.24
  6. Step 6: Final answer
    x = 41,833.86

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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.