Home / 87,966.29-121,409.73-50,240.54

Finding the Fourth Proportional to 87,966.29, 121,409.73 and 50,240.54

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Solution

The fourth proportional to 87,966.29, 121,409.73 and 50,240.54 is: 69,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966.29 : 121,409.73 = 50,240.54 : x
  2. Step 2: Convert to fraction form
    87,966.29/121,409.73 = 50,240.54/x
  3. Step 3: Cross multiply
    87,966.29x = 121,409.73 × 50,240.54
  4. Step 4: Simplify right side
    87,966.29x = 6,099,689,789.41
  5. Step 5: Solve for x
    x = 6,099,689,789.41/87,966.29
  6. Step 6: Final answer
    x = 69,341.22

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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.