Home / 102,694.62-141,717-57,373.26

Finding the Fourth Proportional to 102,694.62, 141,717 and 57,373.26

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Solution

The fourth proportional to 102,694.62, 141,717 and 57,373.26 is: 79,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,694.62 : 141,717 = 57,373.26 : x
  2. Step 2: Convert to fraction form
    102,694.62/141,717 = 57,373.26/x
  3. Step 3: Cross multiply
    102,694.62x = 141,717 × 57,373.26
  4. Step 4: Simplify right side
    102,694.62x = 8,130,766,287.42
  5. Step 5: Solve for x
    x = 8,130,766,287.42/102,694.62
  6. Step 6: Final answer
    x = 79,174.22

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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.