Home / 66,904.26-92,327.78-38,609.94

Finding the Fourth Proportional to 66,904.26, 92,327.78 and 38,609.94

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Solution

The fourth proportional to 66,904.26, 92,327.78 and 38,609.94 is: 53,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904.26 : 92,327.78 = 38,609.94 : x
  2. Step 2: Convert to fraction form
    66,904.26/92,327.78 = 38,609.94/x
  3. Step 3: Cross multiply
    66,904.26x = 92,327.78 × 38,609.94
  4. Step 4: Simplify right side
    66,904.26x = 3,564,770,046.13
  5. Step 5: Solve for x
    x = 3,564,770,046.13/66,904.26
  6. Step 6: Final answer
    x = 53,281.66

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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.