Home / 71,658.24-98,890.41-41,440.68

Finding the Fourth Proportional to 71,658.24, 98,890.41 and 41,440.68

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Solution

The fourth proportional to 71,658.24, 98,890.41 and 41,440.68 is: 57,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,658.24 : 98,890.41 = 41,440.68 : x
  2. Step 2: Convert to fraction form
    71,658.24/98,890.41 = 41,440.68/x
  3. Step 3: Cross multiply
    71,658.24x = 98,890.41 × 41,440.68
  4. Step 4: Simplify right side
    71,658.24x = 4,098,085,835.88
  5. Step 5: Solve for x
    x = 4,098,085,835.88/71,658.24
  6. Step 6: Final answer
    x = 57,189.32

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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.