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Finding the Fourth Proportional to 73,703.98, 101,715.09 and 41,448.74

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Solution

The fourth proportional to 73,703.98, 101,715.09 and 41,448.74 is: 57,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,703.98 : 101,715.09 = 41,448.74 : x
  2. Step 2: Convert to fraction form
    73,703.98/101,715.09 = 41,448.74/x
  3. Step 3: Cross multiply
    73,703.98x = 101,715.09 × 41,448.74
  4. Step 4: Simplify right side
    73,703.98x = 4,215,962,112.24
  5. Step 5: Solve for x
    x = 4,215,962,112.24/73,703.98
  6. Step 6: Final answer
    x = 57,201.29

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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.