Home / 73,982.30-102,096.01-39,990.68

Finding the Fourth Proportional to 73,982.30, 102,096.01 and 39,990.68

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Solution

The fourth proportional to 73,982.30, 102,096.01 and 39,990.68 is: 55,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.30 : 102,096.01 = 39,990.68 : x
  2. Step 2: Convert to fraction form
    73,982.30/102,096.01 = 39,990.68/x
  3. Step 3: Cross multiply
    73,982.30x = 102,096.01 × 39,990.68
  4. Step 4: Simplify right side
    73,982.30x = 4,082,888,787.56
  5. Step 5: Solve for x
    x = 4,082,888,787.56/73,982.30
  6. Step 6: Final answer
    x = 55,187.38

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1.5x scale

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.