Home / 90,538.50-135,808.74-27,359.14

Finding the Fourth Proportional to 90,538.50, 135,808.74 and 27,359.14

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Solution

The fourth proportional to 90,538.50, 135,808.74 and 27,359.14 is: 41,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.50 : 135,808.74 = 27,359.14 : x
  2. Step 2: Convert to fraction form
    90,538.50/135,808.74 = 27,359.14/x
  3. Step 3: Cross multiply
    90,538.50x = 135,808.74 × 27,359.14
  4. Step 4: Simplify right side
    90,538.50x = 3,715,610,330.88
  5. Step 5: Solve for x
    x = 3,715,610,330.88/90,538.50
  6. Step 6: Final answer
    x = 41,039.01

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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.