Home / 125,976.79-173,848.44-69,388.03

Finding the Fourth Proportional to 125,976.79, 173,848.44 and 69,388.03

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Solution

The fourth proportional to 125,976.79, 173,848.44 and 69,388.03 is: 95,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976.79 : 173,848.44 = 69,388.03 : x
  2. Step 2: Convert to fraction form
    125,976.79/173,848.44 = 69,388.03/x
  3. Step 3: Cross multiply
    125,976.79x = 173,848.44 × 69,388.03
  4. Step 4: Simplify right side
    125,976.79x = 12,063,000,770.17
  5. Step 5: Solve for x
    x = 12,063,000,770.17/125,976.79
  6. Step 6: Final answer
    x = 95,755.74

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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.