Home / 71,806.46-99,096.84-39,974.66

Finding the Fourth Proportional to 71,806.46, 99,096.84 and 39,974.66

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Solution

The fourth proportional to 71,806.46, 99,096.84 and 39,974.66 is: 55,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,806.46 : 99,096.84 = 39,974.66 : x
  2. Step 2: Convert to fraction form
    71,806.46/99,096.84 = 39,974.66/x
  3. Step 3: Cross multiply
    71,806.46x = 99,096.84 × 39,974.66
  4. Step 4: Simplify right side
    71,806.46x = 3,961,362,486.07
  5. Step 5: Solve for x
    x = 3,961,362,486.07/71,806.46
  6. Step 6: Final answer
    x = 55,167.22

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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.