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Finding the Fourth Proportional to 71,806.79, 99,060.11 and 46,321.37

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Solution

The fourth proportional to 71,806.79, 99,060.11 and 46,321.37 is: 63,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,806.79 : 99,060.11 = 46,321.37 : x
  2. Step 2: Convert to fraction form
    71,806.79/99,060.11 = 46,321.37/x
  3. Step 3: Cross multiply
    71,806.79x = 99,060.11 × 46,321.37
  4. Step 4: Simplify right side
    71,806.79x = 4,588,600,007.55
  5. Step 5: Solve for x
    x = 4,588,600,007.55/71,806.79
  6. Step 6: Final answer
    x = 63,902.03

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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.