Home / 87,928.08-121,324.77-49,166.60

Finding the Fourth Proportional to 87,928.08, 121,324.77 and 49,166.60

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Solution

The fourth proportional to 87,928.08, 121,324.77 and 49,166.60 is: 67,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,928.08 : 121,324.77 = 49,166.60 : x
  2. Step 2: Convert to fraction form
    87,928.08/121,324.77 = 49,166.60/x
  3. Step 3: Cross multiply
    87,928.08x = 121,324.77 × 49,166.60
  4. Step 4: Simplify right side
    87,928.08x = 5,965,126,512.51
  5. Step 5: Solve for x
    x = 5,965,126,512.51/87,928.08
  6. Step 6: Final answer
    x = 67,840.98

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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.