Home / 74,954.33-112,375.89-45,365.13

Finding the Fourth Proportional to 74,954.33, 112,375.89 and 45,365.13

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Solution

The fourth proportional to 74,954.33, 112,375.89 and 45,365.13 is: 68,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954.33 : 112,375.89 = 45,365.13 : x
  2. Step 2: Convert to fraction form
    74,954.33/112,375.89 = 45,365.13/x
  3. Step 3: Cross multiply
    74,954.33x = 112,375.89 × 45,365.13
  4. Step 4: Simplify right side
    74,954.33x = 5,097,946,858.72
  5. Step 5: Solve for x
    x = 5,097,946,858.72/74,954.33
  6. Step 6: Final answer
    x = 68,014.04

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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.