Home / 85,327.74-127,986.83-26,163.25

Finding the Fourth Proportional to 85,327.74, 127,986.83 and 26,163.25

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Solution

The fourth proportional to 85,327.74, 127,986.83 and 26,163.25 is: 39,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,327.74 : 127,986.83 = 26,163.25 : x
  2. Step 2: Convert to fraction form
    85,327.74/127,986.83 = 26,163.25/x
  3. Step 3: Cross multiply
    85,327.74x = 127,986.83 × 26,163.25
  4. Step 4: Simplify right side
    85,327.74x = 3,348,550,979.21
  5. Step 5: Solve for x
    x = 3,348,550,979.21/85,327.74
  6. Step 6: Final answer
    x = 39,243.40

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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.