Home / 74,646.14-111,910.82-50,894.78

Finding the Fourth Proportional to 74,646.14, 111,910.82 and 50,894.78

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Solution

The fourth proportional to 74,646.14, 111,910.82 and 50,894.78 is: 76,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,646.14 : 111,910.82 = 50,894.78 : x
  2. Step 2: Convert to fraction form
    74,646.14/111,910.82 = 50,894.78/x
  3. Step 3: Cross multiply
    74,646.14x = 111,910.82 × 50,894.78
  4. Step 4: Simplify right side
    74,646.14x = 5,695,675,749.49
  5. Step 5: Solve for x
    x = 5,695,675,749.49/74,646.14
  6. Step 6: Final answer
    x = 76,302.35

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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.