Home / 172,372.46-258,558.68-54,053.33

Finding the Fourth Proportional to 172,372.46, 258,558.68 and 54,053.33

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Solution

The fourth proportional to 172,372.46, 258,558.68 and 54,053.33 is: 81,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,372.46 : 258,558.68 = 54,053.33 : x
  2. Step 2: Convert to fraction form
    172,372.46/258,558.68 = 54,053.33/x
  3. Step 3: Cross multiply
    172,372.46x = 258,558.68 × 54,053.33
  4. Step 4: Simplify right side
    172,372.46x = 13,975,956,496.74
  5. Step 5: Solve for x
    x = 13,975,956,496.74/172,372.46
  6. Step 6: Final answer
    x = 81,079.99

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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.