Home / 90,199.52-135,262.20-26,997.32

Finding the Fourth Proportional to 90,199.52, 135,262.20 and 26,997.32

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Solution

The fourth proportional to 90,199.52, 135,262.20 and 26,997.32 is: 40,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,199.52 : 135,262.20 = 26,997.32 : x
  2. Step 2: Convert to fraction form
    90,199.52/135,262.20 = 26,997.32/x
  3. Step 3: Cross multiply
    90,199.52x = 135,262.20 × 26,997.32
  4. Step 4: Simplify right side
    90,199.52x = 3,651,716,897.30
  5. Step 5: Solve for x
    x = 3,651,716,897.30/90,199.52
  6. Step 6: Final answer
    x = 40,484.88

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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.