Home / 125,919.82-173,769.05-68,558.25

Finding the Fourth Proportional to 125,919.82, 173,769.05 and 68,558.25

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Solution

The fourth proportional to 125,919.82, 173,769.05 and 68,558.25 is: 94,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,919.82 : 173,769.05 = 68,558.25 : x
  2. Step 2: Convert to fraction form
    125,919.82/173,769.05 = 68,558.25/x
  3. Step 3: Cross multiply
    125,919.82x = 173,769.05 × 68,558.25
  4. Step 4: Simplify right side
    125,919.82x = 11,913,301,432.10
  5. Step 5: Solve for x
    x = 11,913,301,432.10/125,919.82
  6. Step 6: Final answer
    x = 94,610.22

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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.