Home / 67,939.80-101,452.21-55,484.55

Finding the Fourth Proportional to 67,939.80, 101,452.21 and 55,484.55

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Solution

The fourth proportional to 67,939.80, 101,452.21 and 55,484.55 is: 82,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.80 : 101,452.21 = 55,484.55 : x
  2. Step 2: Convert to fraction form
    67,939.80/101,452.21 = 55,484.55/x
  3. Step 3: Cross multiply
    67,939.80x = 101,452.21 × 55,484.55
  4. Step 4: Simplify right side
    67,939.80x = 5,629,030,218.36
  5. Step 5: Solve for x
    x = 5,629,030,218.36/67,939.80
  6. Step 6: Final answer
    x = 82,853.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.