Home / 90,659.48-136,013.82-27,477.06

Finding the Fourth Proportional to 90,659.48, 136,013.82 and 27,477.06

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Solution

The fourth proportional to 90,659.48, 136,013.82 and 27,477.06 is: 41,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,659.48 : 136,013.82 = 27,477.06 : x
  2. Step 2: Convert to fraction form
    90,659.48/136,013.82 = 27,477.06/x
  3. Step 3: Cross multiply
    90,659.48x = 136,013.82 × 27,477.06
  4. Step 4: Simplify right side
    90,659.48x = 3,737,259,892.97
  5. Step 5: Solve for x
    x = 3,737,259,892.97/90,659.48
  6. Step 6: Final answer
    x = 41,223.05

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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.