Home / 67,218.95-100,551.39-55,237.83

Finding the Fourth Proportional to 67,218.95, 100,551.39 and 55,237.83

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Solution

The fourth proportional to 67,218.95, 100,551.39 and 55,237.83 is: 82,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,218.95 : 100,551.39 = 55,237.83 : x
  2. Step 2: Convert to fraction form
    67,218.95/100,551.39 = 55,237.83/x
  3. Step 3: Cross multiply
    67,218.95x = 100,551.39 × 55,237.83
  4. Step 4: Simplify right side
    67,218.95x = 5,554,240,587.08
  5. Step 5: Solve for x
    x = 5,554,240,587.08/67,218.95
  6. Step 6: Final answer
    x = 82,629.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.