Home / 125,423.64-173,084.04-68,834.61

Finding the Fourth Proportional to 125,423.64, 173,084.04 and 68,834.61

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Solution

The fourth proportional to 125,423.64, 173,084.04 and 68,834.61 is: 94,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,423.64 : 173,084.04 = 68,834.61 : x
  2. Step 2: Convert to fraction form
    125,423.64/173,084.04 = 68,834.61/x
  3. Step 3: Cross multiply
    125,423.64x = 173,084.04 × 68,834.61
  4. Step 4: Simplify right side
    125,423.64x = 11,914,172,390.62
  5. Step 5: Solve for x
    x = 11,914,172,390.62/125,423.64
  6. Step 6: Final answer
    x = 94,991.44

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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.