Home / 55,446.75-76,516.43-31,573.43

Finding the Fourth Proportional to 55,446.75, 76,516.43 and 31,573.43

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Solution

The fourth proportional to 55,446.75, 76,516.43 and 31,573.43 is: 43,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,446.75 : 76,516.43 = 31,573.43 : x
  2. Step 2: Convert to fraction form
    55,446.75/76,516.43 = 31,573.43/x
  3. Step 3: Cross multiply
    55,446.75x = 76,516.43 × 31,573.43
  4. Step 4: Simplify right side
    55,446.75x = 2,415,885,763.87
  5. Step 5: Solve for x
    x = 2,415,885,763.87/55,446.75
  6. Step 6: Final answer
    x = 43,571.28

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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.