Home / 89,780.77-134,712.09-33,625.22

Finding the Fourth Proportional to 89,780.77, 134,712.09 and 33,625.22

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Solution

The fourth proportional to 89,780.77, 134,712.09 and 33,625.22 is: 50,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,780.77 : 134,712.09 = 33,625.22 : x
  2. Step 2: Convert to fraction form
    89,780.77/134,712.09 = 33,625.22/x
  3. Step 3: Cross multiply
    89,780.77x = 134,712.09 × 33,625.22
  4. Step 4: Simplify right side
    89,780.77x = 4,529,723,999.69
  5. Step 5: Solve for x
    x = 4,529,723,999.69/89,780.77
  6. Step 6: Final answer
    x = 50,453.17

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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.