Home / 85,171.66-127,776.19-25,195.44

Finding the Fourth Proportional to 85,171.66, 127,776.19 and 25,195.44

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Solution

The fourth proportional to 85,171.66, 127,776.19 and 25,195.44 is: 37,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,171.66 : 127,776.19 = 25,195.44 : x
  2. Step 2: Convert to fraction form
    85,171.66/127,776.19 = 25,195.44/x
  3. Step 3: Cross multiply
    85,171.66x = 127,776.19 × 25,195.44
  4. Step 4: Simplify right side
    85,171.66x = 3,219,377,742.50
  5. Step 5: Solve for x
    x = 3,219,377,742.50/85,171.66
  6. Step 6: Final answer
    x = 37,798.70

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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.