Home / 99,328.50-149,086.38-36,209.64

Finding the Fourth Proportional to 99,328.50, 149,086.38 and 36,209.64

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Solution

The fourth proportional to 99,328.50, 149,086.38 and 36,209.64 is: 54,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.50 : 149,086.38 = 36,209.64 : x
  2. Step 2: Convert to fraction form
    99,328.50/149,086.38 = 36,209.64/x
  3. Step 3: Cross multiply
    99,328.50x = 149,086.38 × 36,209.64
  4. Step 4: Simplify right side
    99,328.50x = 5,398,364,148.70
  5. Step 5: Solve for x
    x = 5,398,364,148.70/99,328.50
  6. Step 6: Final answer
    x = 54,348.59

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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.