Home / 85,331.87-127,993.02-26,167.38

Finding the Fourth Proportional to 85,331.87, 127,993.02 and 26,167.38

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Solution

The fourth proportional to 85,331.87, 127,993.02 and 26,167.38 is: 39,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.87 : 127,993.02 = 26,167.38 : x
  2. Step 2: Convert to fraction form
    85,331.87/127,993.02 = 26,167.38/x
  3. Step 3: Cross multiply
    85,331.87x = 127,993.02 × 26,167.38
  4. Step 4: Simplify right side
    85,331.87x = 3,349,241,893.56
  5. Step 5: Solve for x
    x = 3,349,241,893.56/85,331.87
  6. Step 6: Final answer
    x = 39,249.60

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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.