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Finding the Fourth Proportional to 79,195, 109,324.96 and 46,934.86

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Solution

The fourth proportional to 79,195, 109,324.96 and 46,934.86 is: 64,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195 : 109,324.96 = 46,934.86 : x
  2. Step 2: Convert to fraction form
    79,195/109,324.96 = 46,934.86/x
  3. Step 3: Cross multiply
    79,195x = 109,324.96 × 46,934.86
  4. Step 4: Simplify right side
    79,195x = 5,131,151,692.11
  5. Step 5: Solve for x
    x = 5,131,151,692.11/79,195
  6. Step 6: Final answer
    x = 64,791.36

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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.