Home / 90,646.64-135,952.68-35,235.44

Finding the Fourth Proportional to 90,646.64, 135,952.68 and 35,235.44

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Solution

The fourth proportional to 90,646.64, 135,952.68 and 35,235.44 is: 52,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.64 : 135,952.68 = 35,235.44 : x
  2. Step 2: Convert to fraction form
    90,646.64/135,952.68 = 35,235.44/x
  3. Step 3: Cross multiply
    90,646.64x = 135,952.68 × 35,235.44
  4. Step 4: Simplify right side
    90,646.64x = 4,790,352,498.98
  5. Step 5: Solve for x
    x = 4,790,352,498.98/90,646.64
  6. Step 6: Final answer
    x = 52,846.44

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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.