Home / 87,382.09-131,051.43-37,456.53

Finding the Fourth Proportional to 87,382.09, 131,051.43 and 37,456.53

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Solution

The fourth proportional to 87,382.09, 131,051.43 and 37,456.53 is: 56,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,382.09 : 131,051.43 = 37,456.53 : x
  2. Step 2: Convert to fraction form
    87,382.09/131,051.43 = 37,456.53/x
  3. Step 3: Cross multiply
    87,382.09x = 131,051.43 × 37,456.53
  4. Step 4: Simplify right side
    87,382.09x = 4,908,731,819.34
  5. Step 5: Solve for x
    x = 4,908,731,819.34/87,382.09
  6. Step 6: Final answer
    x = 56,175.49

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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.