Home / 55,611.44-76,749.32-31,741.72

Finding the Fourth Proportional to 55,611.44, 76,749.32 and 31,741.72

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Solution

The fourth proportional to 55,611.44, 76,749.32 and 31,741.72 is: 43,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.44 : 76,749.32 = 31,741.72 : x
  2. Step 2: Convert to fraction form
    55,611.44/76,749.32 = 31,741.72/x
  3. Step 3: Cross multiply
    55,611.44x = 76,749.32 × 31,741.72
  4. Step 4: Simplify right side
    55,611.44x = 2,436,155,425.63
  5. Step 5: Solve for x
    x = 2,436,155,425.63/55,611.44
  6. Step 6: Final answer
    x = 43,806.73

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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.