Home / 125,418.64-173,077.56-71,704.84

Finding the Fourth Proportional to 125,418.64, 173,077.56 and 71,704.84

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Solution

The fourth proportional to 125,418.64, 173,077.56 and 71,704.84 is: 98,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,418.64 : 173,077.56 = 71,704.84 : x
  2. Step 2: Convert to fraction form
    125,418.64/173,077.56 = 71,704.84/x
  3. Step 3: Cross multiply
    125,418.64x = 173,077.56 × 71,704.84
  4. Step 4: Simplify right side
    125,418.64x = 12,410,498,747.39
  5. Step 5: Solve for x
    x = 12,410,498,747.39/125,418.64
  6. Step 6: Final answer
    x = 98,952.59

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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.