Home / 74,654.46-111,977.64-30,269.30

Finding the Fourth Proportional to 74,654.46, 111,977.64 and 30,269.30

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Solution

The fourth proportional to 74,654.46, 111,977.64 and 30,269.30 is: 45,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,654.46 : 111,977.64 = 30,269.30 : x
  2. Step 2: Convert to fraction form
    74,654.46/111,977.64 = 30,269.30/x
  3. Step 3: Cross multiply
    74,654.46x = 111,977.64 × 30,269.30
  4. Step 4: Simplify right side
    74,654.46x = 3,389,484,218.56
  5. Step 5: Solve for x
    x = 3,389,484,218.56/74,654.46
  6. Step 6: Final answer
    x = 45,402.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.