Home / 54,440.70-75,121.19-31,774.49

Finding the Fourth Proportional to 54,440.70, 75,121.19 and 31,774.49

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Solution

The fourth proportional to 54,440.70, 75,121.19 and 31,774.49 is: 43,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.70 : 75,121.19 = 31,774.49 : x
  2. Step 2: Convert to fraction form
    54,440.70/75,121.19 = 31,774.49/x
  3. Step 3: Cross multiply
    54,440.70x = 75,121.19 × 31,774.49
  4. Step 4: Simplify right side
    54,440.70x = 2,386,937,500.44
  5. Step 5: Solve for x
    x = 2,386,937,500.44/54,440.70
  6. Step 6: Final answer
    x = 43,844.73

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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.