Home / 84,588.90-126,884.22-34,011.31

Finding the Fourth Proportional to 84,588.90, 126,884.22 and 34,011.31

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Solution

The fourth proportional to 84,588.90, 126,884.22 and 34,011.31 is: 51,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,588.90 : 126,884.22 = 34,011.31 : x
  2. Step 2: Convert to fraction form
    84,588.90/126,884.22 = 34,011.31/x
  3. Step 3: Cross multiply
    84,588.90x = 126,884.22 × 34,011.31
  4. Step 4: Simplify right side
    84,588.90x = 4,315,498,540.53
  5. Step 5: Solve for x
    x = 4,315,498,540.53/84,588.90
  6. Step 6: Final answer
    x = 51,017.31

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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.