Home / 125,662.32-173,454.41-80,462.03

Finding the Fourth Proportional to 125,662.32, 173,454.41 and 80,462.03

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Solution

The fourth proportional to 125,662.32, 173,454.41 and 80,462.03 is: 111,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,662.32 : 173,454.41 = 80,462.03 : x
  2. Step 2: Convert to fraction form
    125,662.32/173,454.41 = 80,462.03/x
  3. Step 3: Cross multiply
    125,662.32x = 173,454.41 × 80,462.03
  4. Step 4: Simplify right side
    125,662.32x = 13,956,493,274.94
  5. Step 5: Solve for x
    x = 13,956,493,274.94/125,662.32
  6. Step 6: Final answer
    x = 111,063.47

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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.