Home / 81,177.94-112,029.02-45,367.95

Finding the Fourth Proportional to 81,177.94, 112,029.02 and 45,367.95

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Solution

The fourth proportional to 81,177.94, 112,029.02 and 45,367.95 is: 62,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177.94 : 112,029.02 = 45,367.95 : x
  2. Step 2: Convert to fraction form
    81,177.94/112,029.02 = 45,367.95/x
  3. Step 3: Cross multiply
    81,177.94x = 112,029.02 × 45,367.95
  4. Step 4: Simplify right side
    81,177.94x = 5,082,526,977.91
  5. Step 5: Solve for x
    x = 5,082,526,977.91/81,177.94
  6. Step 6: Final answer
    x = 62,609.71

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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.