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Finding the Fourth Proportional to 62,793.06, 86,710.68 and 46,849.86

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Solution

The fourth proportional to 62,793.06, 86,710.68 and 46,849.86 is: 64,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,793.06 : 86,710.68 = 46,849.86 : x
  2. Step 2: Convert to fraction form
    62,793.06/86,710.68 = 46,849.86/x
  3. Step 3: Cross multiply
    62,793.06x = 86,710.68 × 46,849.86
  4. Step 4: Simplify right side
    62,793.06x = 4,062,383,218.50
  5. Step 5: Solve for x
    x = 4,062,383,218.50/62,793.06
  6. Step 6: Final answer
    x = 64,694.78

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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.