Home / 67,941.05-101,454.07-55,485.80

Finding the Fourth Proportional to 67,941.05, 101,454.07 and 55,485.80

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Solution

The fourth proportional to 67,941.05, 101,454.07 and 55,485.80 is: 82,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,941.05 : 101,454.07 = 55,485.80 : x
  2. Step 2: Convert to fraction form
    67,941.05/101,454.07 = 55,485.80/x
  3. Step 3: Cross multiply
    67,941.05x = 101,454.07 × 55,485.80
  4. Step 4: Simplify right side
    67,941.05x = 5,629,260,237.21
  5. Step 5: Solve for x
    x = 5,629,260,237.21/67,941.05
  6. Step 6: Final answer
    x = 82,855.07

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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.