Home / 54,369.18-74,991.53-52,540.34

Finding the Fourth Proportional to 54,369.18, 74,991.53 and 52,540.34

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Solution

The fourth proportional to 54,369.18, 74,991.53 and 52,540.34 is: 72,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.18 : 74,991.53 = 52,540.34 : x
  2. Step 2: Convert to fraction form
    54,369.18/74,991.53 = 52,540.34/x
  3. Step 3: Cross multiply
    54,369.18x = 74,991.53 × 52,540.34
  4. Step 4: Simplify right side
    54,369.18x = 3,940,079,845.66
  5. Step 5: Solve for x
    x = 3,940,079,845.66/54,369.18
  6. Step 6: Final answer
    x = 72,469.00

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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.