Home / 125,818.70-173,626.62-68,455.58

Finding the Fourth Proportional to 125,818.70, 173,626.62 and 68,455.58

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Solution

The fourth proportional to 125,818.70, 173,626.62 and 68,455.58 is: 94,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,818.70 : 173,626.62 = 68,455.58 : x
  2. Step 2: Convert to fraction form
    125,818.70/173,626.62 = 68,455.58/x
  3. Step 3: Cross multiply
    125,818.70x = 173,626.62 × 68,455.58
  4. Step 4: Simplify right side
    125,818.70x = 11,885,710,975.54
  5. Step 5: Solve for x
    x = 11,885,710,975.54/125,818.70
  6. Step 6: Final answer
    x = 94,466.97

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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.