Home / 84,418.62-116,505.99-48,610.14

Finding the Fourth Proportional to 84,418.62, 116,505.99 and 48,610.14

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Solution

The fourth proportional to 84,418.62, 116,505.99 and 48,610.14 is: 67,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418.62 : 116,505.99 = 48,610.14 : x
  2. Step 2: Convert to fraction form
    84,418.62/116,505.99 = 48,610.14/x
  3. Step 3: Cross multiply
    84,418.62x = 116,505.99 × 48,610.14
  4. Step 4: Simplify right side
    84,418.62x = 5,663,372,484.74
  5. Step 5: Solve for x
    x = 5,663,372,484.74/84,418.62
  6. Step 6: Final answer
    x = 67,086.77

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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.