Home / 87,756.28-121,105.74-50,034.04

Finding the Fourth Proportional to 87,756.28, 121,105.74 and 50,034.04

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Solution

The fourth proportional to 87,756.28, 121,105.74 and 50,034.04 is: 69,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756.28 : 121,105.74 = 50,034.04 : x
  2. Step 2: Convert to fraction form
    87,756.28/121,105.74 = 50,034.04/x
  3. Step 3: Cross multiply
    87,756.28x = 121,105.74 × 50,034.04
  4. Step 4: Simplify right side
    87,756.28x = 6,059,409,439.39
  5. Step 5: Solve for x
    x = 6,059,409,439.39/87,756.28
  6. Step 6: Final answer
    x = 69,048.16

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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.