Home / 80,486.76-111,072.26-44,675.85

Finding the Fourth Proportional to 80,486.76, 111,072.26 and 44,675.85

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Solution

The fourth proportional to 80,486.76, 111,072.26 and 44,675.85 is: 61,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,486.76 : 111,072.26 = 44,675.85 : x
  2. Step 2: Convert to fraction form
    80,486.76/111,072.26 = 44,675.85/x
  3. Step 3: Cross multiply
    80,486.76x = 111,072.26 × 44,675.85
  4. Step 4: Simplify right side
    80,486.76x = 4,962,248,155.13
  5. Step 5: Solve for x
    x = 4,962,248,155.13/80,486.76
  6. Step 6: Final answer
    x = 61,652.97

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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.