Home / 87,928.36-121,338.50-50,195.24

Finding the Fourth Proportional to 87,928.36, 121,338.50 and 50,195.24

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Solution

The fourth proportional to 87,928.36, 121,338.50 and 50,195.24 is: 69,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,928.36 : 121,338.50 = 50,195.24 : x
  2. Step 2: Convert to fraction form
    87,928.36/121,338.50 = 50,195.24/x
  3. Step 3: Cross multiply
    87,928.36x = 121,338.50 × 50,195.24
  4. Step 4: Simplify right side
    87,928.36x = 6,090,615,128.74
  5. Step 5: Solve for x
    x = 6,090,615,128.74/87,928.36
  6. Step 6: Final answer
    x = 69,267.93

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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.