Home / 102,694.65-141,704.60-57,367.04

Finding the Fourth Proportional to 102,694.65, 141,704.60 and 57,367.04

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Solution

The fourth proportional to 102,694.65, 141,704.60 and 57,367.04 is: 79,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,694.65 : 141,704.60 = 57,367.04 : x
  2. Step 2: Convert to fraction form
    102,694.65/141,704.60 = 57,367.04/x
  3. Step 3: Cross multiply
    102,694.65x = 141,704.60 × 57,367.04
  4. Step 4: Simplify right side
    102,694.65x = 8,129,172,461.03
  5. Step 5: Solve for x
    x = 8,129,172,461.03/102,694.65
  6. Step 6: Final answer
    x = 79,158.68

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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.