Home / 125,052.64-172,573.04-68,467.68

Finding the Fourth Proportional to 125,052.64, 172,573.04 and 68,467.68

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Solution

The fourth proportional to 125,052.64, 172,573.04 and 68,467.68 is: 94,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,052.64 : 172,573.04 = 68,467.68 : x
  2. Step 2: Convert to fraction form
    125,052.64/172,573.04 = 68,467.68/x
  3. Step 3: Cross multiply
    125,052.64x = 172,573.04 × 68,467.68
  4. Step 4: Simplify right side
    125,052.64x = 11,815,675,679.35
  5. Step 5: Solve for x
    x = 11,815,675,679.35/125,052.64
  6. Step 6: Final answer
    x = 94,485.62

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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.