Home / 55,558.53-76,655.55-31,676.49

Finding the Fourth Proportional to 55,558.53, 76,655.55 and 31,676.49

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Solution

The fourth proportional to 55,558.53, 76,655.55 and 31,676.49 is: 43,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.53 : 76,655.55 = 31,676.49 : x
  2. Step 2: Convert to fraction form
    55,558.53/76,655.55 = 31,676.49/x
  3. Step 3: Cross multiply
    55,558.53x = 76,655.55 × 31,676.49
  4. Step 4: Simplify right side
    55,558.53x = 2,428,178,763.02
  5. Step 5: Solve for x
    x = 2,428,178,763.02/55,558.53
  6. Step 6: Final answer
    x = 43,704.88

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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.