Home / 66,654.73-91,984.63-39,799.59

Finding the Fourth Proportional to 66,654.73, 91,984.63 and 39,799.59

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Solution

The fourth proportional to 66,654.73, 91,984.63 and 39,799.59 is: 54,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,654.73 : 91,984.63 = 39,799.59 : x
  2. Step 2: Convert to fraction form
    66,654.73/91,984.63 = 39,799.59/x
  3. Step 3: Cross multiply
    66,654.73x = 91,984.63 × 39,799.59
  4. Step 4: Simplify right side
    66,654.73x = 3,660,950,560.30
  5. Step 5: Solve for x
    x = 3,660,950,560.30/66,654.73
  6. Step 6: Final answer
    x = 54,924.09

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1.5x scale

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.