Home / 85,098.01-127,651.82-25,935.61

Finding the Fourth Proportional to 85,098.01, 127,651.82 and 25,935.61

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Solution

The fourth proportional to 85,098.01, 127,651.82 and 25,935.61 is: 38,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,098.01 : 127,651.82 = 25,935.61 : x
  2. Step 2: Convert to fraction form
    85,098.01/127,651.82 = 25,935.61/x
  3. Step 3: Cross multiply
    85,098.01x = 127,651.82 × 25,935.61
  4. Step 4: Simplify right side
    85,098.01x = 3,310,728,106.02
  5. Step 5: Solve for x
    x = 3,310,728,106.02/85,098.01
  6. Step 6: Final answer
    x = 38,904.88

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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.