Home / 74,125.97-110,999.51-40,809.41

Finding the Fourth Proportional to 74,125.97, 110,999.51 and 40,809.41

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Solution

The fourth proportional to 74,125.97, 110,999.51 and 40,809.41 is: 61,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,125.97 : 110,999.51 = 40,809.41 : x
  2. Step 2: Convert to fraction form
    74,125.97/110,999.51 = 40,809.41/x
  3. Step 3: Cross multiply
    74,125.97x = 110,999.51 × 40,809.41
  4. Step 4: Simplify right side
    74,125.97x = 4,529,824,309.34
  5. Step 5: Solve for x
    x = 4,529,824,309.34/74,125.97
  6. Step 6: Final answer
    x = 61,109.81

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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.