Home / 80,589.80-111,185.50-46,109.35

Finding the Fourth Proportional to 80,589.80, 111,185.50 and 46,109.35

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Solution

The fourth proportional to 80,589.80, 111,185.50 and 46,109.35 is: 63,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.80 : 111,185.50 = 46,109.35 : x
  2. Step 2: Convert to fraction form
    80,589.80/111,185.50 = 46,109.35/x
  3. Step 3: Cross multiply
    80,589.80x = 111,185.50 × 46,109.35
  4. Step 4: Simplify right side
    80,589.80x = 5,126,690,578.50
  5. Step 5: Solve for x
    x = 5,126,690,578.50/80,589.80
  6. Step 6: Final answer
    x = 63,614.63

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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.