Home / 125,488.93-173,175.03-68,903.95

Finding the Fourth Proportional to 125,488.93, 173,175.03 and 68,903.95

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Solution

The fourth proportional to 125,488.93, 173,175.03 and 68,903.95 is: 95,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,488.93 : 173,175.03 = 68,903.95 : x
  2. Step 2: Convert to fraction form
    125,488.93/173,175.03 = 68,903.95/x
  3. Step 3: Cross multiply
    125,488.93x = 173,175.03 × 68,903.95
  4. Step 4: Simplify right side
    125,488.93x = 11,932,443,608.37
  5. Step 5: Solve for x
    x = 11,932,443,608.37/125,488.93
  6. Step 6: Final answer
    x = 95,087.62

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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.