Home / 84,003.29-126,057.68-34,083.60

Finding the Fourth Proportional to 84,003.29, 126,057.68 and 34,083.60

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Solution

The fourth proportional to 84,003.29, 126,057.68 and 34,083.60 is: 51,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,003.29 : 126,057.68 = 34,083.60 : x
  2. Step 2: Convert to fraction form
    84,003.29/126,057.68 = 34,083.60/x
  3. Step 3: Cross multiply
    84,003.29x = 126,057.68 × 34,083.60
  4. Step 4: Simplify right side
    84,003.29x = 4,296,499,542.05
  5. Step 5: Solve for x
    x = 4,296,499,542.05/84,003.29
  6. Step 6: Final answer
    x = 51,146.80

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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.