Home / 55,447.25-76,517.12-31,573.93

Finding the Fourth Proportional to 55,447.25, 76,517.12 and 31,573.93

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Solution

The fourth proportional to 55,447.25, 76,517.12 and 31,573.93 is: 43,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.25 : 76,517.12 = 31,573.93 : x
  2. Step 2: Convert to fraction form
    55,447.25/76,517.12 = 31,573.93/x
  3. Step 3: Cross multiply
    55,447.25x = 76,517.12 × 31,573.93
  4. Step 4: Simplify right side
    55,447.25x = 2,415,945,808.10
  5. Step 5: Solve for x
    x = 2,415,945,808.10/55,447.25
  6. Step 6: Final answer
    x = 43,571.97

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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.