Home / 90,769.51-125,265.39-50,486.19

Finding the Fourth Proportional to 90,769.51, 125,265.39 and 50,486.19

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Solution

The fourth proportional to 90,769.51, 125,265.39 and 50,486.19 is: 69,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,769.51 : 125,265.39 = 50,486.19 : x
  2. Step 2: Convert to fraction form
    90,769.51/125,265.39 = 50,486.19/x
  3. Step 3: Cross multiply
    90,769.51x = 125,265.39 × 50,486.19
  4. Step 4: Simplify right side
    90,769.51x = 6,324,172,279.96
  5. Step 5: Solve for x
    x = 6,324,172,279.96/90,769.51
  6. Step 6: Final answer
    x = 69,672.87

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1.5x scale

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.