Home / 66,706.14-100,218.57-39,023.58

Finding the Fourth Proportional to 66,706.14, 100,218.57 and 39,023.58

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Solution

The fourth proportional to 66,706.14, 100,218.57 and 39,023.58 is: 58,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,706.14 : 100,218.57 = 39,023.58 : x
  2. Step 2: Convert to fraction form
    66,706.14/100,218.57 = 39,023.58/x
  3. Step 3: Cross multiply
    66,706.14x = 100,218.57 × 39,023.58
  4. Step 4: Simplify right side
    66,706.14x = 3,910,887,383.88
  5. Step 5: Solve for x
    x = 3,910,887,383.88/66,706.14
  6. Step 6: Final answer
    x = 58,628.60

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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.