Home / 55,495.72-76,591.26-31,630.96

Finding the Fourth Proportional to 55,495.72, 76,591.26 and 31,630.96

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Solution

The fourth proportional to 55,495.72, 76,591.26 and 31,630.96 is: 43,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,495.72 : 76,591.26 = 31,630.96 : x
  2. Step 2: Convert to fraction form
    55,495.72/76,591.26 = 31,630.96/x
  3. Step 3: Cross multiply
    55,495.72x = 76,591.26 × 31,630.96
  4. Step 4: Simplify right side
    55,495.72x = 2,422,655,081.41
  5. Step 5: Solve for x
    x = 2,422,655,081.41/55,495.72
  6. Step 6: Final answer
    x = 43,654.81

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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.