Home / 71,821.08-99,098.06-41,604.60

Finding the Fourth Proportional to 71,821.08, 99,098.06 and 41,604.60

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Solution

The fourth proportional to 71,821.08, 99,098.06 and 41,604.60 is: 57,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,821.08 : 99,098.06 = 41,604.60 : x
  2. Step 2: Convert to fraction form
    71,821.08/99,098.06 = 41,604.60/x
  3. Step 3: Cross multiply
    71,821.08x = 99,098.06 × 41,604.60
  4. Step 4: Simplify right side
    71,821.08x = 4,122,935,147.08
  5. Step 5: Solve for x
    x = 4,122,935,147.08/71,821.08
  6. Step 6: Final answer
    x = 57,405.64

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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.