Home / 62,977.15-94,470.92-20,855.94

Finding the Fourth Proportional to 62,977.15, 94,470.92 and 20,855.94

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Solution

The fourth proportional to 62,977.15, 94,470.92 and 20,855.94 is: 31,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.15 : 94,470.92 = 20,855.94 : x
  2. Step 2: Convert to fraction form
    62,977.15/94,470.92 = 20,855.94/x
  3. Step 3: Cross multiply
    62,977.15x = 94,470.92 × 20,855.94
  4. Step 4: Simplify right side
    62,977.15x = 1,970,279,839.26
  5. Step 5: Solve for x
    x = 1,970,279,839.26/62,977.15
  6. Step 6: Final answer
    x = 31,285.63

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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.