Home / 125,983.02-173,856.81-68,622.17

Finding the Fourth Proportional to 125,983.02, 173,856.81 and 68,622.17

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Solution

The fourth proportional to 125,983.02, 173,856.81 and 68,622.17 is: 94,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,983.02 : 173,856.81 = 68,622.17 : x
  2. Step 2: Convert to fraction form
    125,983.02/173,856.81 = 68,622.17/x
  3. Step 3: Cross multiply
    125,983.02x = 173,856.81 × 68,622.17
  4. Step 4: Simplify right side
    125,983.02x = 11,930,431,571.48
  5. Step 5: Solve for x
    x = 11,930,431,571.48/125,983.02
  6. Step 6: Final answer
    x = 94,698.73

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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.