Home / 125,936.77-173,792.47-68,575.20

Finding the Fourth Proportional to 125,936.77, 173,792.47 and 68,575.20

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Solution

The fourth proportional to 125,936.77, 173,792.47 and 68,575.20 is: 94,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.77 : 173,792.47 = 68,575.20 : x
  2. Step 2: Convert to fraction form
    125,936.77/173,792.47 = 68,575.20/x
  3. Step 3: Cross multiply
    125,936.77x = 173,792.47 × 68,575.20
  4. Step 4: Simplify right side
    125,936.77x = 11,917,853,045.87
  5. Step 5: Solve for x
    x = 11,917,853,045.87/125,936.77
  6. Step 6: Final answer
    x = 94,633.62

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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.