Home / 85,933.26-128,899.89-26,773.71

Finding the Fourth Proportional to 85,933.26, 128,899.89 and 26,773.71

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Solution

The fourth proportional to 85,933.26, 128,899.89 and 26,773.71 is: 40,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,933.26 : 128,899.89 = 26,773.71 : x
  2. Step 2: Convert to fraction form
    85,933.26/128,899.89 = 26,773.71/x
  3. Step 3: Cross multiply
    85,933.26x = 128,899.89 × 26,773.71
  4. Step 4: Simplify right side
    85,933.26x = 3,451,128,273.89
  5. Step 5: Solve for x
    x = 3,451,128,273.89/85,933.26
  6. Step 6: Final answer
    x = 40,160.57

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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.