Home / 54,653.37-75,440.53-31,999.64

Finding the Fourth Proportional to 54,653.37, 75,440.53 and 31,999.64

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Solution

The fourth proportional to 54,653.37, 75,440.53 and 31,999.64 is: 44,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.37 : 75,440.53 = 31,999.64 : x
  2. Step 2: Convert to fraction form
    54,653.37/75,440.53 = 31,999.64/x
  3. Step 3: Cross multiply
    54,653.37x = 75,440.53 × 31,999.64
  4. Step 4: Simplify right side
    54,653.37x = 2,414,069,888.56
  5. Step 5: Solve for x
    x = 2,414,069,888.56/54,653.37
  6. Step 6: Final answer
    x = 44,170.55

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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.