Home / 54,364.75-75,023.49-31,719.31

Finding the Fourth Proportional to 54,364.75, 75,023.49 and 31,719.31

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Solution

The fourth proportional to 54,364.75, 75,023.49 and 31,719.31 is: 43,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.75 : 75,023.49 = 31,719.31 : x
  2. Step 2: Convert to fraction form
    54,364.75/75,023.49 = 31,719.31/x
  3. Step 3: Cross multiply
    54,364.75x = 75,023.49 × 31,719.31
  4. Step 4: Simplify right side
    54,364.75x = 2,379,693,336.59
  5. Step 5: Solve for x
    x = 2,379,693,336.59/54,364.75
  6. Step 6: Final answer
    x = 43,772.73

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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.