Home / 125,519.06-173,215.41-68,929.30

Finding the Fourth Proportional to 125,519.06, 173,215.41 and 68,929.30

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Solution

The fourth proportional to 125,519.06, 173,215.41 and 68,929.30 is: 95,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.06 : 173,215.41 = 68,929.30 : x
  2. Step 2: Convert to fraction form
    125,519.06/173,215.41 = 68,929.30/x
  3. Step 3: Cross multiply
    125,519.06x = 173,215.41 × 68,929.30
  4. Step 4: Simplify right side
    125,519.06x = 11,939,616,960.51
  5. Step 5: Solve for x
    x = 11,939,616,960.51/125,519.06
  6. Step 6: Final answer
    x = 95,121.94

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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.