Home / 74,789.76-103,247.28-46,504.56

Finding the Fourth Proportional to 74,789.76, 103,247.28 and 46,504.56

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Solution

The fourth proportional to 74,789.76, 103,247.28 and 46,504.56 is: 64,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,789.76 : 103,247.28 = 46,504.56 : x
  2. Step 2: Convert to fraction form
    74,789.76/103,247.28 = 46,504.56/x
  3. Step 3: Cross multiply
    74,789.76x = 103,247.28 × 46,504.56
  4. Step 4: Simplify right side
    74,789.76x = 4,801,469,327.60
  5. Step 5: Solve for x
    x = 4,801,469,327.60/74,789.76
  6. Step 6: Final answer
    x = 64,199.56

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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.