Home / 79,944.17-119,916.05-75,072.42

Finding the Fourth Proportional to 79,944.17, 119,916.05 and 75,072.42

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Solution

The fourth proportional to 79,944.17, 119,916.05 and 75,072.42 is: 112,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,944.17 : 119,916.05 = 75,072.42 : x
  2. Step 2: Convert to fraction form
    79,944.17/119,916.05 = 75,072.42/x
  3. Step 3: Cross multiply
    79,944.17x = 119,916.05 × 75,072.42
  4. Step 4: Simplify right side
    79,944.17x = 9,002,387,694.98
  5. Step 5: Solve for x
    x = 9,002,387,694.98/79,944.17
  6. Step 6: Final answer
    x = 112,608.44

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1.5x scale

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.