Home / 84,249.11-126,338.94-34,295.40

Finding the Fourth Proportional to 84,249.11, 126,338.94 and 34,295.40

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Solution

The fourth proportional to 84,249.11, 126,338.94 and 34,295.40 is: 51,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249.11 : 126,338.94 = 34,295.40 : x
  2. Step 2: Convert to fraction form
    84,249.11/126,338.94 = 34,295.40/x
  3. Step 3: Cross multiply
    84,249.11x = 126,338.94 × 34,295.40
  4. Step 4: Simplify right side
    84,249.11x = 4,332,844,482.88
  5. Step 5: Solve for x
    x = 4,332,844,482.88/84,249.11
  6. Step 6: Final answer
    x = 51,428.96

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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.