Home / 71,834.21-99,107.93-39,996.89

Finding the Fourth Proportional to 71,834.21, 99,107.93 and 39,996.89

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Solution

The fourth proportional to 71,834.21, 99,107.93 and 39,996.89 is: 55,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,834.21 : 99,107.93 = 39,996.89 : x
  2. Step 2: Convert to fraction form
    71,834.21/99,107.93 = 39,996.89/x
  3. Step 3: Cross multiply
    71,834.21x = 99,107.93 × 39,996.89
  4. Step 4: Simplify right side
    71,834.21x = 3,964,008,774.35
  5. Step 5: Solve for x
    x = 3,964,008,774.35/71,834.21
  6. Step 6: Final answer
    x = 55,182.74

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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.