Home / 74,126.22-110,999.88-40,809.66

Finding the Fourth Proportional to 74,126.22, 110,999.88 and 40,809.66

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Solution

The fourth proportional to 74,126.22, 110,999.88 and 40,809.66 is: 61,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.22 : 110,999.88 = 40,809.66 : x
  2. Step 2: Convert to fraction form
    74,126.22/110,999.88 = 40,809.66/x
  3. Step 3: Cross multiply
    74,126.22x = 110,999.88 × 40,809.66
  4. Step 4: Simplify right side
    74,126.22x = 4,529,867,362.84
  5. Step 5: Solve for x
    x = 4,529,867,362.84/74,126.22
  6. Step 6: Final answer
    x = 61,110.19

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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.