Home / 66,905.58-100,270.89-27,416.46

Finding the Fourth Proportional to 66,905.58, 100,270.89 and 27,416.46

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Solution

The fourth proportional to 66,905.58, 100,270.89 and 27,416.46 is: 41,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905.58 : 100,270.89 = 27,416.46 : x
  2. Step 2: Convert to fraction form
    66,905.58/100,270.89 = 27,416.46/x
  3. Step 3: Cross multiply
    66,905.58x = 100,270.89 × 27,416.46
  4. Step 4: Simplify right side
    66,905.58x = 2,749,072,844.85
  5. Step 5: Solve for x
    x = 2,749,072,844.85/66,905.58
  6. Step 6: Final answer
    x = 41,088.84

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1.5x scale

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.