Home / 55,371.22-76,385.72-36,242.58

Finding the Fourth Proportional to 55,371.22, 76,385.72 and 36,242.58

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Solution

The fourth proportional to 55,371.22, 76,385.72 and 36,242.58 is: 49,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.22 : 76,385.72 = 36,242.58 : x
  2. Step 2: Convert to fraction form
    55,371.22/76,385.72 = 36,242.58/x
  3. Step 3: Cross multiply
    55,371.22x = 76,385.72 × 36,242.58
  4. Step 4: Simplify right side
    55,371.22x = 2,768,415,567.96
  5. Step 5: Solve for x
    x = 2,768,415,567.96/55,371.22
  6. Step 6: Final answer
    x = 49,997.37

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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.