Home / 69,519.87-95,930.33-42,663.51

Finding the Fourth Proportional to 69,519.87, 95,930.33 and 42,663.51

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Solution

The fourth proportional to 69,519.87, 95,930.33 and 42,663.51 is: 58,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,519.87 : 95,930.33 = 42,663.51 : x
  2. Step 2: Convert to fraction form
    69,519.87/95,930.33 = 42,663.51/x
  3. Step 3: Cross multiply
    69,519.87x = 95,930.33 × 42,663.51
  4. Step 4: Simplify right side
    69,519.87x = 4,092,724,379.94
  5. Step 5: Solve for x
    x = 4,092,724,379.94/69,519.87
  6. Step 6: Final answer
    x = 58,871.29

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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.