Home / 80,274.96-110,833.02-50,072.40

Finding the Fourth Proportional to 80,274.96, 110,833.02 and 50,072.40

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Solution

The fourth proportional to 80,274.96, 110,833.02 and 50,072.40 is: 69,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,274.96 : 110,833.02 = 50,072.40 : x
  2. Step 2: Convert to fraction form
    80,274.96/110,833.02 = 50,072.40/x
  3. Step 3: Cross multiply
    80,274.96x = 110,833.02 × 50,072.40
  4. Step 4: Simplify right side
    80,274.96x = 5,549,675,310.65
  5. Step 5: Solve for x
    x = 5,549,675,310.65/80,274.96
  6. Step 6: Final answer
    x = 69,133.33

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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.