Home / 102,884.52-141,986.16-57,559.80

Finding the Fourth Proportional to 102,884.52, 141,986.16 and 57,559.80

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Solution

The fourth proportional to 102,884.52, 141,986.16 and 57,559.80 is: 79,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884.52 : 141,986.16 = 57,559.80 : x
  2. Step 2: Convert to fraction form
    102,884.52/141,986.16 = 57,559.80/x
  3. Step 3: Cross multiply
    102,884.52x = 141,986.16 × 57,559.80
  4. Step 4: Simplify right side
    102,884.52x = 8,172,694,972.37
  5. Step 5: Solve for x
    x = 8,172,694,972.37/102,884.52
  6. Step 6: Final answer
    x = 79,435.61

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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.