Home / 73,982.73-102,096.18-39,991.13

Finding the Fourth Proportional to 73,982.73, 102,096.18 and 39,991.13

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Solution

The fourth proportional to 73,982.73, 102,096.18 and 39,991.13 is: 55,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.73 : 102,096.18 = 39,991.13 : x
  2. Step 2: Convert to fraction form
    73,982.73/102,096.18 = 39,991.13/x
  3. Step 3: Cross multiply
    73,982.73x = 102,096.18 × 39,991.13
  4. Step 4: Simplify right side
    73,982.73x = 4,082,941,096.40
  5. Step 5: Solve for x
    x = 4,082,941,096.40/73,982.73
  6. Step 6: Final answer
    x = 55,187.76

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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.