Home / 84,634.80-126,877.68-32,081.28

Finding the Fourth Proportional to 84,634.80, 126,877.68 and 32,081.28

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Solution

The fourth proportional to 84,634.80, 126,877.68 and 32,081.28 is: 48,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.80 : 126,877.68 = 32,081.28 : x
  2. Step 2: Convert to fraction form
    84,634.80/126,877.68 = 32,081.28/x
  3. Step 3: Cross multiply
    84,634.80x = 126,877.68 × 32,081.28
  4. Step 4: Simplify right side
    84,634.80x = 4,070,398,377.83
  5. Step 5: Solve for x
    x = 4,070,398,377.83/84,634.80
  6. Step 6: Final answer
    x = 48,093.67

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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.