Home / 79,265.83-109,385.92-43,455.85

Finding the Fourth Proportional to 79,265.83, 109,385.92 and 43,455.85

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Solution

The fourth proportional to 79,265.83, 109,385.92 and 43,455.85 is: 59,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.83 : 109,385.92 = 43,455.85 : x
  2. Step 2: Convert to fraction form
    79,265.83/109,385.92 = 43,455.85/x
  3. Step 3: Cross multiply
    79,265.83x = 109,385.92 × 43,455.85
  4. Step 4: Simplify right side
    79,265.83x = 4,753,458,131.63
  5. Step 5: Solve for x
    x = 4,753,458,131.63/79,265.83
  6. Step 6: Final answer
    x = 59,968.57

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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.