Home / 99,328.39-149,086.22-36,209.51

Finding the Fourth Proportional to 99,328.39, 149,086.22 and 36,209.51

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Solution

The fourth proportional to 99,328.39, 149,086.22 and 36,209.51 is: 54,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.39 : 149,086.22 = 36,209.51 : x
  2. Step 2: Convert to fraction form
    99,328.39/149,086.22 = 36,209.51/x
  3. Step 3: Cross multiply
    99,328.39x = 149,086.22 × 36,209.51
  4. Step 4: Simplify right side
    99,328.39x = 5,398,339,165.62
  5. Step 5: Solve for x
    x = 5,398,339,165.62/99,328.39
  6. Step 6: Final answer
    x = 54,348.40

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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.