Home / 54,440.67-81,255.30-53,112.27

Finding the Fourth Proportional to 54,440.67, 81,255.30 and 53,112.27

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Solution

The fourth proportional to 54,440.67, 81,255.30 and 53,112.27 is: 79,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.67 : 81,255.30 = 53,112.27 : x
  2. Step 2: Convert to fraction form
    54,440.67/81,255.30 = 53,112.27/x
  3. Step 3: Cross multiply
    54,440.67x = 81,255.30 × 53,112.27
  4. Step 4: Simplify right side
    54,440.67x = 4,315,653,432.53
  5. Step 5: Solve for x
    x = 4,315,653,432.53/54,440.67
  6. Step 6: Final answer
    x = 79,272.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.