Home / 125,520.52-173,221.88-68,935.56

Finding the Fourth Proportional to 125,520.52, 173,221.88 and 68,935.56

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Solution

The fourth proportional to 125,520.52, 173,221.88 and 68,935.56 is: 95,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,520.52 : 173,221.88 = 68,935.56 : x
  2. Step 2: Convert to fraction form
    125,520.52/173,221.88 = 68,935.56/x
  3. Step 3: Cross multiply
    125,520.52x = 173,221.88 × 68,935.56
  4. Step 4: Simplify right side
    125,520.52x = 11,941,147,302.05
  5. Step 5: Solve for x
    x = 11,941,147,302.05/125,520.52
  6. Step 6: Final answer
    x = 95,133.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.