Home / 87,946.94-121,369.12-50,220.38

Finding the Fourth Proportional to 87,946.94, 121,369.12 and 50,220.38

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Solution

The fourth proportional to 87,946.94, 121,369.12 and 50,220.38 is: 69,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,946.94 : 121,369.12 = 50,220.38 : x
  2. Step 2: Convert to fraction form
    87,946.94/121,369.12 = 50,220.38/x
  3. Step 3: Cross multiply
    87,946.94x = 121,369.12 × 50,220.38
  4. Step 4: Simplify right side
    87,946.94x = 6,095,203,326.67
  5. Step 5: Solve for x
    x = 6,095,203,326.67/87,946.94
  6. Step 6: Final answer
    x = 69,305.46

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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.