Home / 55,441.96-76,505.64-31,563.88

Finding the Fourth Proportional to 55,441.96, 76,505.64 and 31,563.88

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Solution

The fourth proportional to 55,441.96, 76,505.64 and 31,563.88 is: 43,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.96 : 76,505.64 = 31,563.88 : x
  2. Step 2: Convert to fraction form
    55,441.96/76,505.64 = 31,563.88/x
  3. Step 3: Cross multiply
    55,441.96x = 76,505.64 × 31,563.88
  4. Step 4: Simplify right side
    55,441.96x = 2,414,814,840.28
  5. Step 5: Solve for x
    x = 2,414,814,840.28/55,441.96
  6. Step 6: Final answer
    x = 43,555.73

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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.