Home / 73,965.48-102,072.39-39,973.86

Finding the Fourth Proportional to 73,965.48, 102,072.39 and 39,973.86

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Solution

The fourth proportional to 73,965.48, 102,072.39 and 39,973.86 is: 55,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,965.48 : 102,072.39 = 39,973.86 : x
  2. Step 2: Convert to fraction form
    73,965.48/102,072.39 = 39,973.86/x
  3. Step 3: Cross multiply
    73,965.48x = 102,072.39 × 39,973.86
  4. Step 4: Simplify right side
    73,965.48x = 4,080,227,427.73
  5. Step 5: Solve for x
    x = 4,080,227,427.73/73,965.48
  6. Step 6: Final answer
    x = 55,163.94

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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.