Home / 74,914.38-112,243.64-41,208.62

Finding the Fourth Proportional to 74,914.38, 112,243.64 and 41,208.62

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Solution

The fourth proportional to 74,914.38, 112,243.64 and 41,208.62 is: 61,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.38 : 112,243.64 = 41,208.62 : x
  2. Step 2: Convert to fraction form
    74,914.38/112,243.64 = 41,208.62/x
  3. Step 3: Cross multiply
    74,914.38x = 112,243.64 × 41,208.62
  4. Step 4: Simplify right side
    74,914.38x = 4,625,404,740.92
  5. Step 5: Solve for x
    x = 4,625,404,740.92/74,914.38
  6. Step 6: Final answer
    x = 61,742.55

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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.