Home / 74,836.76-111,914.12-55,874.66

Finding the Fourth Proportional to 74,836.76, 111,914.12 and 55,874.66

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Solution

The fourth proportional to 74,836.76, 111,914.12 and 55,874.66 is: 83,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.76 : 111,914.12 = 55,874.66 : x
  2. Step 2: Convert to fraction form
    74,836.76/111,914.12 = 55,874.66/x
  3. Step 3: Cross multiply
    74,836.76x = 111,914.12 × 55,874.66
  4. Step 4: Simplify right side
    74,836.76x = 6,253,163,124.83
  5. Step 5: Solve for x
    x = 6,253,163,124.83/74,836.76
  6. Step 6: Final answer
    x = 83,557.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.