Home / 125,049.83-172,568.70-68,461.20

Finding the Fourth Proportional to 125,049.83, 172,568.70 and 68,461.20

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Solution

The fourth proportional to 125,049.83, 172,568.70 and 68,461.20 is: 94,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,049.83 : 172,568.70 = 68,461.20 : x
  2. Step 2: Convert to fraction form
    125,049.83/172,568.70 = 68,461.20/x
  3. Step 3: Cross multiply
    125,049.83x = 172,568.70 × 68,461.20
  4. Step 4: Simplify right side
    125,049.83x = 11,814,260,284.44
  5. Step 5: Solve for x
    x = 11,814,260,284.44/125,049.83
  6. Step 6: Final answer
    x = 94,476.42

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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.