Home / 42,766.76-64,142.58-11,604.44

Finding the Fourth Proportional to 42,766.76, 64,142.58 and 11,604.44

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Solution

The fourth proportional to 42,766.76, 64,142.58 and 11,604.44 is: 17,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.76 : 64,142.58 = 11,604.44 : x
  2. Step 2: Convert to fraction form
    42,766.76/64,142.58 = 11,604.44/x
  3. Step 3: Cross multiply
    42,766.76x = 64,142.58 × 11,604.44
  4. Step 4: Simplify right side
    42,766.76x = 744,338,721.06
  5. Step 5: Solve for x
    x = 744,338,721.06/42,766.76
  6. Step 6: Final answer
    x = 17,404.61

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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.