Home / 84,255.58-126,348.22-34,301.75

Finding the Fourth Proportional to 84,255.58, 126,348.22 and 34,301.75

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Solution

The fourth proportional to 84,255.58, 126,348.22 and 34,301.75 is: 51,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,255.58 : 126,348.22 = 34,301.75 : x
  2. Step 2: Convert to fraction form
    84,255.58/126,348.22 = 34,301.75/x
  3. Step 3: Cross multiply
    84,255.58x = 126,348.22 × 34,301.75
  4. Step 4: Simplify right side
    84,255.58x = 4,333,964,883.88
  5. Step 5: Solve for x
    x = 4,333,964,883.88/84,255.58
  6. Step 6: Final answer
    x = 51,438.32

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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.