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Finding the Fourth Proportional to 75,910.69, 113,712.94 and 63,554.14

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Solution

The fourth proportional to 75,910.69, 113,712.94 and 63,554.14 is: 95,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,910.69 : 113,712.94 = 63,554.14 : x
  2. Step 2: Convert to fraction form
    75,910.69/113,712.94 = 63,554.14/x
  3. Step 3: Cross multiply
    75,910.69x = 113,712.94 × 63,554.14
  4. Step 4: Simplify right side
    75,910.69x = 7,226,928,108.57
  5. Step 5: Solve for x
    x = 7,226,928,108.57/75,910.69
  6. Step 6: Final answer
    x = 95,203.04

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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.