Home / 85,387.14-127,993.20-35,496.18

Finding the Fourth Proportional to 85,387.14, 127,993.20 and 35,496.18

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Solution

The fourth proportional to 85,387.14, 127,993.20 and 35,496.18 is: 53,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,387.14 : 127,993.20 = 35,496.18 : x
  2. Step 2: Convert to fraction form
    85,387.14/127,993.20 = 35,496.18/x
  3. Step 3: Cross multiply
    85,387.14x = 127,993.20 × 35,496.18
  4. Step 4: Simplify right side
    85,387.14x = 4,543,269,665.98
  5. Step 5: Solve for x
    x = 4,543,269,665.98/85,387.14
  6. Step 6: Final answer
    x = 53,207.89

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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.