Home / 91,052.15-136,573.35-27,872.30

Finding the Fourth Proportional to 91,052.15, 136,573.35 and 27,872.30

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Solution

The fourth proportional to 91,052.15, 136,573.35 and 27,872.30 is: 41,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,052.15 : 136,573.35 = 27,872.30 : x
  2. Step 2: Convert to fraction form
    91,052.15/136,573.35 = 27,872.30/x
  3. Step 3: Cross multiply
    91,052.15x = 136,573.35 × 27,872.30
  4. Step 4: Simplify right side
    91,052.15x = 3,806,613,383.21
  5. Step 5: Solve for x
    x = 3,806,613,383.21/91,052.15
  6. Step 6: Final answer
    x = 41,806.96

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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.