Home / 125,426.70-173,081.07-68,837.67

Finding the Fourth Proportional to 125,426.70, 173,081.07 and 68,837.67

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Solution

The fourth proportional to 125,426.70, 173,081.07 and 68,837.67 is: 94,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,426.70 : 173,081.07 = 68,837.67 : x
  2. Step 2: Convert to fraction form
    125,426.70/173,081.07 = 68,837.67/x
  3. Step 3: Cross multiply
    125,426.70x = 173,081.07 × 68,837.67
  4. Step 4: Simplify right side
    125,426.70x = 11,914,497,579.91
  5. Step 5: Solve for x
    x = 11,914,497,579.91/125,426.70
  6. Step 6: Final answer
    x = 94,991.72

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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.