Home / 80,476.75-111,057.92-52,182.64

Finding the Fourth Proportional to 80,476.75, 111,057.92 and 52,182.64

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Solution

The fourth proportional to 80,476.75, 111,057.92 and 52,182.64 is: 72,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476.75 : 111,057.92 = 52,182.64 : x
  2. Step 2: Convert to fraction form
    80,476.75/111,057.92 = 52,182.64/x
  3. Step 3: Cross multiply
    80,476.75x = 111,057.92 × 52,182.64
  4. Step 4: Simplify right side
    80,476.75x = 5,795,295,458.51
  5. Step 5: Solve for x
    x = 5,795,295,458.51/80,476.75
  6. Step 6: Final answer
    x = 72,012.05

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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.