Home / 55,790.55-76,996.35-31,912.56

Finding the Fourth Proportional to 55,790.55, 76,996.35 and 31,912.56

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Solution

The fourth proportional to 55,790.55, 76,996.35 and 31,912.56 is: 44,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,790.55 : 76,996.35 = 31,912.56 : x
  2. Step 2: Convert to fraction form
    55,790.55/76,996.35 = 31,912.56/x
  3. Step 3: Cross multiply
    55,790.55x = 76,996.35 × 31,912.56
  4. Step 4: Simplify right side
    55,790.55x = 2,457,150,639.16
  5. Step 5: Solve for x
    x = 2,457,150,639.16/55,790.55
  6. Step 6: Final answer
    x = 44,042.42

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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.