Home / 84,392.08-126,615.83-34,514.12

Finding the Fourth Proportional to 84,392.08, 126,615.83 and 34,514.12

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Solution

The fourth proportional to 84,392.08, 126,615.83 and 34,514.12 is: 51,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,392.08 : 126,615.83 = 34,514.12 : x
  2. Step 2: Convert to fraction form
    84,392.08/126,615.83 = 34,514.12/x
  3. Step 3: Cross multiply
    84,392.08x = 126,615.83 × 34,514.12
  4. Step 4: Simplify right side
    84,392.08x = 4,370,033,777.95
  5. Step 5: Solve for x
    x = 4,370,033,777.95/84,392.08
  6. Step 6: Final answer
    x = 51,782.51

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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.