Home / 74,522.43-102,855.56-42,712.65

Finding the Fourth Proportional to 74,522.43, 102,855.56 and 42,712.65

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Solution

The fourth proportional to 74,522.43, 102,855.56 and 42,712.65 is: 58,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.43 : 102,855.56 = 42,712.65 : x
  2. Step 2: Convert to fraction form
    74,522.43/102,855.56 = 42,712.65/x
  3. Step 3: Cross multiply
    74,522.43x = 102,855.56 × 42,712.65
  4. Step 4: Simplify right side
    74,522.43x = 4,393,233,321.27
  5. Step 5: Solve for x
    x = 4,393,233,321.27/74,522.43
  6. Step 6: Final answer
    x = 58,951.83

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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.