Home / 172,404.12-258,522.89-60,081.69

Finding the Fourth Proportional to 172,404.12, 258,522.89 and 60,081.69

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Solution

The fourth proportional to 172,404.12, 258,522.89 and 60,081.69 is: 90,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,404.12 : 258,522.89 = 60,081.69 : x
  2. Step 2: Convert to fraction form
    172,404.12/258,522.89 = 60,081.69/x
  3. Step 3: Cross multiply
    172,404.12x = 258,522.89 × 60,081.69
  4. Step 4: Simplify right side
    172,404.12x = 15,532,491,834.48
  5. Step 5: Solve for x
    x = 15,532,491,834.48/172,404.12
  6. Step 6: Final answer
    x = 90,093.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.