Home / 87,950.34-121,372.83-50,224.59

Finding the Fourth Proportional to 87,950.34, 121,372.83 and 50,224.59

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Solution

The fourth proportional to 87,950.34, 121,372.83 and 50,224.59 is: 69,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950.34 : 121,372.83 = 50,224.59 : x
  2. Step 2: Convert to fraction form
    87,950.34/121,372.83 = 50,224.59/x
  3. Step 3: Cross multiply
    87,950.34x = 121,372.83 × 50,224.59
  4. Step 4: Simplify right side
    87,950.34x = 6,095,900,623.89
  5. Step 5: Solve for x
    x = 6,095,900,623.89/87,950.34
  6. Step 6: Final answer
    x = 69,310.71

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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.