Home / 55,374.35-76,390.64-32,697.89

Finding the Fourth Proportional to 55,374.35, 76,390.64 and 32,697.89

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Solution

The fourth proportional to 55,374.35, 76,390.64 and 32,697.89 is: 45,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.35 : 76,390.64 = 32,697.89 : x
  2. Step 2: Convert to fraction form
    55,374.35/76,390.64 = 32,697.89/x
  3. Step 3: Cross multiply
    55,374.35x = 76,390.64 × 32,697.89
  4. Step 4: Simplify right side
    55,374.35x = 2,497,812,198.31
  5. Step 5: Solve for x
    x = 2,497,812,198.31/55,374.35
  6. Step 6: Final answer
    x = 45,107.75

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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.