Home / 73,917.56-102,006.06-40,383.80

Finding the Fourth Proportional to 73,917.56, 102,006.06 and 40,383.80

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Solution

The fourth proportional to 73,917.56, 102,006.06 and 40,383.80 is: 55,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,917.56 : 102,006.06 = 40,383.80 : x
  2. Step 2: Convert to fraction form
    73,917.56/102,006.06 = 40,383.80/x
  3. Step 3: Cross multiply
    73,917.56x = 102,006.06 × 40,383.80
  4. Step 4: Simplify right side
    73,917.56x = 4,119,392,325.83
  5. Step 5: Solve for x
    x = 4,119,392,325.83/73,917.56
  6. Step 6: Final answer
    x = 55,729.55

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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.