Home / 125,981.58-173,856.46-68,623.56

Finding the Fourth Proportional to 125,981.58, 173,856.46 and 68,623.56

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Solution

The fourth proportional to 125,981.58, 173,856.46 and 68,623.56 is: 94,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,981.58 : 173,856.46 = 68,623.56 : x
  2. Step 2: Convert to fraction form
    125,981.58/173,856.46 = 68,623.56/x
  3. Step 3: Cross multiply
    125,981.58x = 173,856.46 × 68,623.56
  4. Step 4: Simplify right side
    125,981.58x = 11,930,649,214.20
  5. Step 5: Solve for x
    x = 11,930,649,214.20/125,981.58
  6. Step 6: Final answer
    x = 94,701.54

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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.