Home / 90,704.40-136,056.87-27,525.03

Finding the Fourth Proportional to 90,704.40, 136,056.87 and 27,525.03

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Solution

The fourth proportional to 90,704.40, 136,056.87 and 27,525.03 is: 41,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,704.40 : 136,056.87 = 27,525.03 : x
  2. Step 2: Convert to fraction form
    90,704.40/136,056.87 = 27,525.03/x
  3. Step 3: Cross multiply
    90,704.40x = 136,056.87 × 27,525.03
  4. Step 4: Simplify right side
    90,704.40x = 3,744,969,428.46
  5. Step 5: Solve for x
    x = 3,744,969,428.46/90,704.40
  6. Step 6: Final answer
    x = 41,287.63

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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.