Home / 90,553.06-135,776.40-27,354.16

Finding the Fourth Proportional to 90,553.06, 135,776.40 and 27,354.16

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Solution

The fourth proportional to 90,553.06, 135,776.40 and 27,354.16 is: 41,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,553.06 : 135,776.40 = 27,354.16 : x
  2. Step 2: Convert to fraction form
    90,553.06/135,776.40 = 27,354.16/x
  3. Step 3: Cross multiply
    90,553.06x = 135,776.40 × 27,354.16
  4. Step 4: Simplify right side
    90,553.06x = 3,714,049,369.82
  5. Step 5: Solve for x
    x = 3,714,049,369.82/90,553.06
  6. Step 6: Final answer
    x = 41,015.17

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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.