Home / 102,625.42-141,621.60-57,304.10

Finding the Fourth Proportional to 102,625.42, 141,621.60 and 57,304.10

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Solution

The fourth proportional to 102,625.42, 141,621.60 and 57,304.10 is: 79,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,625.42 : 141,621.60 = 57,304.10 : x
  2. Step 2: Convert to fraction form
    102,625.42/141,621.60 = 57,304.10/x
  3. Step 3: Cross multiply
    102,625.42x = 141,621.60 × 57,304.10
  4. Step 4: Simplify right side
    102,625.42x = 8,115,498,328.56
  5. Step 5: Solve for x
    x = 8,115,498,328.56/102,625.42
  6. Step 6: Final answer
    x = 79,078.83

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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.