Home / 87,916.84-121,346.96-50,212.96

Finding the Fourth Proportional to 87,916.84, 121,346.96 and 50,212.96

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Solution

The fourth proportional to 87,916.84, 121,346.96 and 50,212.96 is: 69,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,916.84 : 121,346.96 = 50,212.96 : x
  2. Step 2: Convert to fraction form
    87,916.84/121,346.96 = 50,212.96/x
  3. Step 3: Cross multiply
    87,916.84x = 121,346.96 × 50,212.96
  4. Step 4: Simplify right side
    87,916.84x = 6,093,190,048.60
  5. Step 5: Solve for x
    x = 6,093,190,048.60/87,916.84
  6. Step 6: Final answer
    x = 69,306.29

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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.