Home / 84,080.22-126,032.49-34,140.30

Finding the Fourth Proportional to 84,080.22, 126,032.49 and 34,140.30

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Solution

The fourth proportional to 84,080.22, 126,032.49 and 34,140.30 is: 51,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,080.22 : 126,032.49 = 34,140.30 : x
  2. Step 2: Convert to fraction form
    84,080.22/126,032.49 = 34,140.30/x
  3. Step 3: Cross multiply
    84,080.22x = 126,032.49 × 34,140.30
  4. Step 4: Simplify right side
    84,080.22x = 4,302,787,018.35
  5. Step 5: Solve for x
    x = 4,302,787,018.35/84,080.22
  6. Step 6: Final answer
    x = 51,174.78

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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.