Home / 66,893.06-92,308.88-38,207.09

Finding the Fourth Proportional to 66,893.06, 92,308.88 and 38,207.09

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Solution

The fourth proportional to 66,893.06, 92,308.88 and 38,207.09 is: 52,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893.06 : 92,308.88 = 38,207.09 : x
  2. Step 2: Convert to fraction form
    66,893.06/92,308.88 = 38,207.09/x
  3. Step 3: Cross multiply
    66,893.06x = 92,308.88 × 38,207.09
  4. Step 4: Simplify right side
    66,893.06x = 3,526,853,379.54
  5. Step 5: Solve for x
    x = 3,526,853,379.54/66,893.06
  6. Step 6: Final answer
    x = 52,723.75

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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.