Home / 84,633.05-126,811.07-51,363.32

Finding the Fourth Proportional to 84,633.05, 126,811.07 and 51,363.32

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Solution

The fourth proportional to 84,633.05, 126,811.07 and 51,363.32 is: 76,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,633.05 : 126,811.07 = 51,363.32 : x
  2. Step 2: Convert to fraction form
    84,633.05/126,811.07 = 51,363.32/x
  3. Step 3: Cross multiply
    84,633.05x = 126,811.07 × 51,363.32
  4. Step 4: Simplify right side
    84,633.05x = 6,513,436,869.69
  5. Step 5: Solve for x
    x = 6,513,436,869.69/84,633.05
  6. Step 6: Final answer
    x = 76,960.91

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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.