Home / 125,559.09-173,272.81-68,198.96

Finding the Fourth Proportional to 125,559.09, 173,272.81 and 68,198.96

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Solution

The fourth proportional to 125,559.09, 173,272.81 and 68,198.96 is: 94,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,559.09 : 173,272.81 = 68,198.96 : x
  2. Step 2: Convert to fraction form
    125,559.09/173,272.81 = 68,198.96/x
  3. Step 3: Cross multiply
    125,559.09x = 173,272.81 × 68,198.96
  4. Step 4: Simplify right side
    125,559.09x = 11,817,025,438.28
  5. Step 5: Solve for x
    x = 11,817,025,438.28/125,559.09
  6. Step 6: Final answer
    x = 94,115.25

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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.