Home / 125,981.59-173,854.83-68,620.73

Finding the Fourth Proportional to 125,981.59, 173,854.83 and 68,620.73

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Solution

The fourth proportional to 125,981.59, 173,854.83 and 68,620.73 is: 94,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,981.59 : 173,854.83 = 68,620.73 : x
  2. Step 2: Convert to fraction form
    125,981.59/173,854.83 = 68,620.73/x
  3. Step 3: Cross multiply
    125,981.59x = 173,854.83 × 68,620.73
  4. Step 4: Simplify right side
    125,981.59x = 11,930,045,783.26
  5. Step 5: Solve for x
    x = 11,930,045,783.26/125,981.59
  6. Step 6: Final answer
    x = 94,696.74

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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.