Home / 90,771.45-136,157.14-27,592.08

Finding the Fourth Proportional to 90,771.45, 136,157.14 and 27,592.08

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Solution

The fourth proportional to 90,771.45, 136,157.14 and 27,592.08 is: 41,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,771.45 : 136,157.14 = 27,592.08 : x
  2. Step 2: Convert to fraction form
    90,771.45/136,157.14 = 27,592.08/x
  3. Step 3: Cross multiply
    90,771.45x = 136,157.14 × 27,592.08
  4. Step 4: Simplify right side
    90,771.45x = 3,756,858,699.45
  5. Step 5: Solve for x
    x = 3,756,858,699.45/90,771.45
  6. Step 6: Final answer
    x = 41,388.11

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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.