Home / 125,406.39-173,062.94-68,823.03

Finding the Fourth Proportional to 125,406.39, 173,062.94 and 68,823.03

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Solution

The fourth proportional to 125,406.39, 173,062.94 and 68,823.03 is: 94,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,406.39 : 173,062.94 = 68,823.03 : x
  2. Step 2: Convert to fraction form
    125,406.39/173,062.94 = 68,823.03/x
  3. Step 3: Cross multiply
    125,406.39x = 173,062.94 × 68,823.03
  4. Step 4: Simplify right side
    125,406.39x = 11,910,715,567.39
  5. Step 5: Solve for x
    x = 11,910,715,567.39/125,406.39
  6. Step 6: Final answer
    x = 94,976.94

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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.