Home / 125,680.89-173,442.57-68,323.47

Finding the Fourth Proportional to 125,680.89, 173,442.57 and 68,323.47

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Solution

The fourth proportional to 125,680.89, 173,442.57 and 68,323.47 is: 94,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,680.89 : 173,442.57 = 68,323.47 : x
  2. Step 2: Convert to fraction form
    125,680.89/173,442.57 = 68,323.47/x
  3. Step 3: Cross multiply
    125,680.89x = 173,442.57 × 68,323.47
  4. Step 4: Simplify right side
    125,680.89x = 11,850,198,228.12
  5. Step 5: Solve for x
    x = 11,850,198,228.12/125,680.89
  6. Step 6: Final answer
    x = 94,287.99

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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.