Home / 79,725.13-119,519.80-35,327.66

Finding the Fourth Proportional to 79,725.13, 119,519.80 and 35,327.66

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Solution

The fourth proportional to 79,725.13, 119,519.80 and 35,327.66 is: 52,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,725.13 : 119,519.80 = 35,327.66 : x
  2. Step 2: Convert to fraction form
    79,725.13/119,519.80 = 35,327.66/x
  3. Step 3: Cross multiply
    79,725.13x = 119,519.80 × 35,327.66
  4. Step 4: Simplify right side
    79,725.13x = 4,222,355,042.77
  5. Step 5: Solve for x
    x = 4,222,355,042.77/79,725.13
  6. Step 6: Final answer
    x = 52,961.41

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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.