Home / 90,463.44-135,676.68-34,284.18

Finding the Fourth Proportional to 90,463.44, 135,676.68 and 34,284.18

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Solution

The fourth proportional to 90,463.44, 135,676.68 and 34,284.18 is: 51,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463.44 : 135,676.68 = 34,284.18 : x
  2. Step 2: Convert to fraction form
    90,463.44/135,676.68 = 34,284.18/x
  3. Step 3: Cross multiply
    90,463.44x = 135,676.68 × 34,284.18
  4. Step 4: Simplify right side
    90,463.44x = 4,651,563,718.92
  5. Step 5: Solve for x
    x = 4,651,563,718.92/90,463.44
  6. Step 6: Final answer
    x = 51,419.27

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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.