Home / 116,001.60-173,872.80-66,105.60

Finding the Fourth Proportional to 116,001.60, 173,872.80 and 66,105.60

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Solution

The fourth proportional to 116,001.60, 173,872.80 and 66,105.60 is: 99,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,001.60 : 173,872.80 = 66,105.60 : x
  2. Step 2: Convert to fraction form
    116,001.60/173,872.80 = 66,105.60/x
  3. Step 3: Cross multiply
    116,001.60x = 173,872.80 × 66,105.60
  4. Step 4: Simplify right side
    116,001.60x = 11,493,965,767.68
  5. Step 5: Solve for x
    x = 11,493,965,767.68/116,001.60
  6. Step 6: Final answer
    x = 99,084.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.