Home / 90,956.64-136,454.94-27,782.04

Finding the Fourth Proportional to 90,956.64, 136,454.94 and 27,782.04

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Solution

The fourth proportional to 90,956.64, 136,454.94 and 27,782.04 is: 41,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956.64 : 136,454.94 = 27,782.04 : x
  2. Step 2: Convert to fraction form
    90,956.64/136,454.94 = 27,782.04/x
  3. Step 3: Cross multiply
    90,956.64x = 136,454.94 × 27,782.04
  4. Step 4: Simplify right side
    90,956.64x = 3,790,996,601.28
  5. Step 5: Solve for x
    x = 3,790,996,601.28/90,956.64
  6. Step 6: Final answer
    x = 41,679.16

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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.